Document:

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                                                                   EXHIBIT 10.59

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                            STOCK PURCHASE AGREEMENT

                                      among

                        RTPS Acquisition Company, L.L.C.,
                        a Texas Limited Liability Company
                                 ("Purchaser"),

                           RAYTEL MEDICAL CORPORATION,
                             a Delaware corporation
                                   ("Raytel"),

                                       and

                 RAYTEL TEXAS PHYSICIAN SERVICES, INC. ("RTPS")
                             a Delaware corporation
                        and a wholly-owned subsidiary of
                    Raytel Management Holdings, Inc., ("RMH")
             a Delaware corporation and a wholly-owned subsidiary of
                       Raytel Medical Corporation ("RMC")

                            Dated as of May 31, 2000

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<PAGE>   2

                            STOCK PURCHASE AGREEMENT

        THIS STOCK PURCHASE AGREEMENT (the "Agreement") is entered into as of
the 31st day of May, 2000, by and among RTPS Acquisition Company, L.L.C., a
Texas Limited Liability Company ("Purchaser"), Raytel Texas Physician Services,
Inc. ("RTPS"), a Delaware corporation and a wholly-owned subsidiary of Raytel
Management Holdings, Inc., ("RMH") a Delaware corporation and a wholly-owned
subsidiary of Raytel Medical Corporation, a Delaware corporation ("Raytel")
(collectively referred to herein as "Seller").

                                    RECITALS

        A. RTPS, directly and through its affiliate, Raytel Southeast
Management, L.P. (referred to herein as "RSMLP" or the "MSO"), is engaged in the
management and operation of a physician practice management business based in
Beaumont, Texas (the "Raytel Management Business");

        B. Immediately prior to the transaction contemplated by this Agreement,
Raytel Southeast Management, L.P. will be merged into RTPS by the assignment of
the limited partnership interest held by RMH to RTPS, the corporate general
partner of RSMLP and the Certificate of Cancellation of Domestic Foreign Limited
Partnership shall be filed with the Texas Secretary of State; and

        C. Raytel desires to sell to Purchaser, and Purchaser desires to
purchase from Raytel all of the outstanding shares of capital stock of RTPS for
the purchase price and upon the terms and conditions hereinafter set forth.

AS PROVIDED HEREIN, THIS AGREEMENT AND THE REPRESENTATIONS, WARRANTIES AND
COVENANTS SET FORTH HEREIN ARE CONTINGENT UPON RAYTEL OBTAINING A WRITTEN
CONSENT FROM BANKBOSTON/FLEET BANK AND PARIBAS (THE "LENDERS") PURSUANT TO THE
AMENDED AND RESTATED CREDIT AGREEMENT DATED AS OF AUGUST 14, 1996 (THE "CREDIT
AGREEMENT") BETWEEN BANKBOSTON/FLEET BANK AS AGENT FOR BANKBOSTON/FLEET BANK AND
PARIBAS AND RAYTEL. THIS AGREEMENT AND THE MASTER TERMINATION AND
INDEMNIFICATION AGREEMENT ARE BEING SIGNED AND THE SIGNATURE PAGES ARE BING
EXCHANGED FOR THE CONVENIENCE OF THE PARTIES. HOWEVER, IF THE LENDERS DO NOT
PROVIDE RAYTEL WITH THE WRITTEN CONSENT AS SET FORTH IN SECTION 7.3(e) HEREIN
BELOW, BY JUNE 15, 2000, THEN THIS AGREEMENT AND THE MASTER TERMINATION
AGREEMENT SHALL BECOME NULL AND VOID WITHOUT PREJUDICE TO ANY RIGHTS THE PARTIES
MAY HAVE UNDER ANY OF THE TRANSACTION DOCUMENTS DESCRIBED IN SECTIONS 1.29 AND
8.4(b).

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        NOW, THEREFORE, in consideration of the mutual representations,
warranties and agreements set forth herein, the parties hereby agree as follows:

                                    ARTICLE I
                                   DEFINITIONS

        As used in this Agreement, the following terms shall have the meanings
set forth or referenced below:

        1.1 "Affiliate" shall have the meaning specified in Section 3.3.

        1.2 "Balance Sheet" shall mean the unaudited pro forma consolidated
balance sheet of RTPS and the Affiliate as of April 30, 2000 included in the
Financial Information.

        1.3 "Balance Sheet Date" shall mean April 30, 2000.

        1.4 "Best Efforts" shall mean commercially reasonable good faith efforts
but shall in no event require the commencement of litigation against any third
party or the payment of any fees or any other consideration to any third party.

        1.5 "Claim Notice" shall have the meaning specified in Section 9.7(a).

        1.6 "Closing" shall mean the closing of the transactions contemplated by
this Agreement.

        1.7 "Closing Date" shall mean May 31, 2000 or such other date as the
parties shall mutually agree upon in writing.

        1.8 "Code" shall mean the Internal Revenue Code of 1996, as amended.

        1.9 "Disagreement" shall have the meaning specified in Section 10.1.

        1.10 "Encumbrances" shall mean any lien, security interest, mortgage,
pledge, hypothecation, easement or conditional sale or other title retention
agreement.

        1.11 "Environmental Laws" shall mean any federal, state or local law,
ordinance, regulation, order or permit pertaining to the environment, natural
resources or public health or safety, as presently in effect.

        1.12 "ERISA" shall mean the Employment Retirement Income Security Act of
1974, as amended.

                                      -2-
<PAGE>   4

        1.13 "Financial Information" shall mean (i) the unaudited pro forma
consolidated balance sheet of RTPS and the Affiliate as of April 30, 2000 and
the related unaudited pro forma consolidated statements of operations of RTPS
and the Affiliate for the fiscal year then ended; (ii) the unaudited pro forma
consolidated balance sheet of RTPS and the Affiliate as of April 30, 2000 and
the related unaudited pro forma consolidated statements of operations of RTPS
and the Affiliate for the six-month period then ended, in each case as adjusted
to reallocate certain costs and expenses of Raytel attributable to the Raytel
Management Business to RTPS; and (iii) the unaudited pro forma consolidated
balance sheet of RTPS and the Affiliate as of May 31, 2000 (the Closing Balance
Sheet as defined in Section 6.8, herein) and the related unaudited pro forma
consolidated statements of operations of RTPS and the Affiliate for the
seven-month period then ended, in each case as adjusted to reallocate certain
costs and expenses of Raytel attributable to the Raytel Management Business to
RTPS

        1.14 "GAAP" shall mean generally accepted accounting principles, applied
consistently with prior periods.

        1.15 "Governmental Authority" shall mean any government or governmental
or regulatory body thereof, or political subdivision thereof, whether federal,
state, local or foreign, or any agency, instrumentality or authority thereof, or
any court or arbitrator (public or private).

        1.16 "Hazardous Materials" shall mean hazardous wastes as presently
defined by the Resource Conservation and Recovery Act of 1976, 42 U.S.C. Section
609 et. sec., as amended, and regulations promulgated thereunder and hazardous
substances as presently defined by the Comprehensive Environmental Response,
Compensation and Liability Act of 1980, 42 U.S.C. Section 9601 et. sec., as
amended ("CERCLA" or "Superfund") and regulations promulgated thereunder.

        1.17 "Indemnity Claim" shall have the meaning specified in Section
9.7(a).

        1.18 "Material Adverse Effect" shall mean a material adverse effect on
the business, operations, assets or financial condition of RTPS and the
Affiliate, taken as a whole, or a material adverse effect on the ability of
Purchaser to conduct the Raytel Management Business, in substantially the manner
it is presently conducted, following the Closing.

        1.19 "Material RTPS Contracts" shall have the meaning specified in
Section 3.12(a).

        1.20 "NLRB" shall mean the National Labor Relation Board.

        1.21 "Permitted Encumbrance" shall mean (i) Encumbrances imposed by any
Governmental Authority for Taxes not yet due and payable or which are being
contested in good faith and by appropriate proceedings if adequate reserves with
respect thereto are maintained on the books of RTPS or the Affiliate in
accordance with GAAP; (ii) carriers', warehousemen's, mechanics', materialmen's,
repairmen's or other like Encumbrances arising in the ordinary course of
business which are not overdue for a period of more than 30 days or which are
being contested in good faith and by appropriate proceedings, if adequate
reserves with respect thereto

                                      -3-
<PAGE>   5

are maintained on the books of RTPS or the Affiliate in accordance with GAAP;
(iii) easements, rights-of-way, restrictions and other similar encumbrances on
real property incurred in the ordinary course of business and encroachments
(whether or not in the ordinary course of business) which, in the aggregate, are
not substantial in amount, and which do not in any case materially detract from
the value of the property subject thereto or materially interfere with the
ordinary conduct of the business thereon; and (iv) all the exceptions to title
reflected in the RTPS Disclosure Schedule.

        1.22 "Physicians" shall mean RODOLFO P. SOTOLONGO, M.D., WAYNE S.
MARGOLIS, M. D., MICHAEL L. SMITH, M. D., and MIGUEL CASTELLANOS, M.D.
(collectively the "Physicians" and individually a "Physician).

        1.23 "Presiding Arbitrator" shall have the meaning specified in Section
10.2.

        1.24 "Purchase Price" shall have the meaning specified in Section 2.2.

        1.25 "Purchaser" shall have the meaning specified in the first paragraph
of this Agreement.

        1.26 "Purchaser Group" shall have the meaning specified in Section 9.2.

        1.27 "Raytel" shall have the meaning specified in the first paragraph of
this Agreement.

        1.28 "Raytel Group" shall have the meaning specified in Section 9.4.

        1.29 "Raytel Common Stock" shall mean the following:

                Raytel Common Stock to be issued to each Physician in the
        amounts set forth opposite such Physician's name pursuant to Master
        Transaction Agreement dated and effective as of August 21, 1996, as
        amended October 18, 1997 and December __, 1999 ("Master Transaction
        Agreement"), by and among (i) RAYTEL MEDICAL CORPORATION, a Delaware
        corporation ("Raytel"); (ii) RAYTEL SOUTHEAST MANAGEMENT, L.P., a Texas
        limited partnership ("Raytel Management"); RAYTEL TEXAS PHYSICIAN
        SERVICES, INC., a Delaware corporation (the "Corporate General Partner")
        (iii) SOUTHEAST TEXAS CARDIOLOGY ASSOCIATES, P.A., a Texas professional
        association ("Existing PA"); (iv) SOUTHEAST TEXAS CARDIOLOGY GROUP II,
        P.A., a Texas professional association ("New PA"); and (v) RODOLFO P.
        SOTOLONGO, M.D., WAYNE S. MARGOLIS, M. D., MICHAEL L. SMITH, M. D., and
        MIGUEL CASTELLANOS, M.D. (collectively the "Physicians" and individually
        a "Physician"):

                                      -4-
<PAGE>   6

<TABLE>
<CAPTION>
                                                    Number of Shares of Raytel Common Stock
                                  ---------------------------------------------------------------------------
                                     First          Second          Third           Fourth          Fifth
       Physician                  Anniversary     Anniversary     Anniversary     Anniversary     Anniversary
       ---------                  -----------     -----------     -----------     -----------     -----------
<S>                               <C>             <C>             <C>             <C>             <C>
Rodolfo P. Sotolongo, M.D            7,324           3,662           3,662          10,986          10,986

Wayne S. Margolis, M.D               7,324           3,662           3,662          10,986          10,986

Michael L. Smith, M.D                7,324           3,662           3,662          10,986          10,986

Miguel Castellanos, M.D              2,442           1,221           1,221           3,662           3,662
                                    ------          ------          ------          ------          ------
Totals                              24,414          12,207          12,207          36,620          36,620
                                    ======          ======          ======          ======          ======
</TABLE>

        1.30 "Raytel Management Business" shall have the meaning specified in
Recital B.

        1.31 "Raytel Promissory Notes" shall mean the following:

        The original principal amount set forth opposite such Physician's name
        pursuant to the Master Transaction Agreement:

<TABLE>
<CAPTION>
                                                         PRINCIPAL
                                                          AMOUNT
                  PHYSICIAN                               OF NOTE
                  ---------                            -------------
<S>                                                    <C>
                  Rodolfo P. Sotolongo, M.D.           $  686,631.00

                  Wayne S. Margolis, M.D.              $  686,631.00

                  Michael L. Smith, M.D.               $  686,631.00

                  Miguel Castellanos, M.D.             $  228,876.00
                                                       -------------
                                                       $2,288,769.00
                                                       =============
</TABLE>

        1.32 "RTPS" shall have the meaning specified in the first paragraph of
this Agreement.

        1.33 "RTPS Equipment Leases" shall have the meaning specified in Section
3.10(b).

        1.34 "RTPS Real Property Leases" shall have the meaning specified in
Section 3.11.

        1.35 "RTPS Retained Assets" shall mean all of the cash and cash
equivalents of RTPS and the Affiliate on hand immediately prior to the Closing,
and the General Partnership Interest in Raytel Nuclear Imaging-Orange, a Texas
limited partnership.

                                      -5-
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        1.36 "RTPS Disclosure Schedule" shall have the meaning specified in the
first paragraph of Article III.

        1.37 "Shares" shall have the meaning specified in Section 2.1.

        1.38 "Tax" or "Taxes" shall mean all taxes, charges, fees, imposts,
levies or other assessments, including, without limitation, all net income,
franchise, profits, gross receipts, capital, sales, use, ad valorem, value
added, transfer, transfer gains, inventory, capital stock, license, withholding,
payroll, employment, social security, unemployment, excise, severance, stamp,
occupation, real or personal property, and estimated taxes, water, rent and
sewer service charges, customs duties, fees, assessments and charges of any kind
whatsoever, together with any interest and any penalties, fines, additions to
tax or additional amounts thereon, imposed by any taxing authority (federal,
state, local or foreign) and shall include any transferee liability in respect
of Taxes.

        1.39 "Tax Return" shall mean all returns, declarations, reports,
estimates, information returns and statements required to be filed in respect of
any Taxes.

                                   ARTICLE II
                               SALE OF THE SHARES

        2.1 Sale of the Shares. On the terms and subject to the conditions set
forth in this Agreement, at the Closing as specified in Article VIII, herein,
Raytel hereby agrees to sell, assign and transfer to Purchaser, and Purchaser
hereby agrees to purchase from RMH, on the Closing Date, 1,000 shares of Common
Stock, $ 0.001 par value per share, of RTPS, constituting all of the issued and
outstanding shares of capital stock of RTPS (the "Shares").

        2.2 Purchase Price. In consideration of the sale of the Shares,
Purchaser and Raytel agree to cancel the Raytel Promissory Notes and to cancel
the issuance of the Raytel Common Stock, together with a combined value of Three
Million Five Hundred Nine Thousand, Four Hundred Forty Nine and 00/100 Dollars
($3,509,449.00) (the "Purchase Price").

        2.3 Transfer, Sales and Other Taxes. Purchaser shall pay all transfer,
sales and other like taxes imposed under the laws of the State of Texas on or
collectable by Purchaser or Raytel by reason of the sale or transfer of the
Shares to Purchaser hereunder. Raytel shall pay all transfer taxes sales and
other like taxes imposed under the laws of any other state on or collectable by
Purchaser or Raytel by reason of the sale or transfer of the Shares to Purchaser
hereunder.

                                      -6-
<PAGE>   8

                                   ARTICLE III
                REPRESENTATIONS AND WARRANTIES OF RAYTEL AND RTPS

        Subject to and except for the information which is set forth in a list
of exceptions identified by the specific section of this Article to which such
information pertains and contained in a schedule delivered to Purchaser prior to
the execution of this Agreement (the "RTPS Disclosure Schedule"), attached
hereto as Exhibit A, Raytel and RTPS jointly and severally represent to
Purchaser that:

        3.1 Organization and Good Standing. Each of Raytel, RMH, and RTPS is a
corporation duly organized, validly existing and in good standing under the laws
of the State of Delaware and RTPS is qualified to do business in the State of
Texas.

        3.2 Capitalization. The authorized capital stock of RTPS consists of
1,000 shares of Common Stock, $ 0.001 par value per share, all of which are
issued and outstanding as of the date hereof. All of the outstanding shares of
Common Stock of RTPS have been validly issued and are fully paid and
non-assessable and are owned, of record and beneficially, by RMH, free and clear
of any Encumbrances or restrictions (other than restrictions on transfer under
applicable federal and state securities laws). No shares of capital stock are
held by RTPS as treasury stock. There is no existing option, warrant or other
agreement of any kind to which RTPS or Raytel or RMH is a party requiring, and
there are no convertible securities of RTPS outstanding which upon conversion
would require, (i) the issuance by RTPS of any additional shares of capital
stock of RTPS or other securities convertible into shares of capital stock or
any equity security of RTPS of any kind or (ii) the sale or transfer of any of
the Shares by Raytel or RMH, other than as contemplated by this Agreement.

        3.3 Affiliate. RTPS does not own any equity interest, directly or
indirectly, in any corporation, partnership, joint venture or other entity
except the limited partnership identified in the RTPS Disclosure Schedule
(collectively, the "Affiliate").

        3.4 Authority. Raytel, RTPS and the Affiliate have all necessary power
and authority to own or lease their respective properties and to carry on their
respective businesses as now being conducted, and possess all licenses, permits
and authorizations necessary to the conduct of such businesses where the failure
to possess any such license, permit or authorization would be reasonably likely
to have a Material Adverse Effect; provided, however, that no representation is
made with respect to the licensing or qualification of medical professionals or
professional corporations performing services under contracts or arrangements
with RTPS or a Affiliate at any of the premises. Raytel, RTPS and the Affiliate
are duly qualified to do business and in good standing in each state or
jurisdiction wherein the nature of the business conducted or the character of
the property owned or leased by such entity requires such qualification and
where the failure to be so qualified would be reasonably likely to have a
Material Adverse Effect.

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<PAGE>   9

        3.5 Financial Information.

                (a) Seller has delivered to Purchaser true and correct copies of
        all of the Financial Information with the exception of the RTPS Closing
        Balance Sheet to be delivered pursuant to Section 6.8. The Financial
        Information has been, and will be, prepared in accordance with GAAP and
        present, and will present, fairly the consolidated financial position of
        RTPS as of their respective dates and the results of operations, equity
        transactions and cash flows of RTPS for the periods indicated. The RTPS
        Closing Balance Sheet will be prepared using the same accounting
        policies and procedures as used in previous preparing the Financial
        Information in prior years.

                (b) Raytel has had substantial control over RTPS and its
        business affairs since its inception and is familiar with all aspects of
        RTPS's accounts payable accounting and procedures. To the knowledge of
        Raytel (as that term is defined in Section 13.12) RTPS does not have any
        liabilities, either accrued or contingent, and whether due or to become
        due, other than (i) liabilities reflected or provided for in detail on
        the Balance Sheet, (ii) liabilities specifically described in this
        Agreement, (iii) normal or recurring liabilities incurred since April
        30, 2000 in the ordinary course of business consistent with past
        practices, and (iv) liabilities not required by GAAP to be reflected on
        a balance sheet. It may be possible due to the organizational structure
        of RTPS and Southeast Texas Cardiology Associates II, P.A., and its
        successors or assigns, ("SETCA") that neither Raytel nor RTPS have
        received invoices from third-party vendors that have been received by
        SETCA or its employees or agents. These invoices would not be reflected
        in the Balance Sheet and the failure of RTPS to include such invoices in
        the Balance Sheet or in the RTPS Disclosure Schedule shall not
        constitute a breach of this representation and warranty by Raytel or
        RTPS.

        3.6 Authorization. Raytel and RTPS have full power and authority to
execute and deliver this Agreement and to carry out the transactions
contemplated hereby. Raytel and RTPS have taken all corporate action required by
law, their Certificates of Incorporation and Bylaws or otherwise to authorize
the execution and delivery of this Agreement and the consummation by them of the
transactions contemplated hereby. This Agreement has been duly executed and
delivered by Raytel and RTPS and constitutes the legal, valid and binding
obligations of Raytel and RTPS, enforceable in accordance with its terms, except
as enforceability may be limited by (i) applicable bankruptcy, insolvency,
moratorium, reorganization and other similar laws affecting creditors' rights
generally, and (ii) general principles of equity, regardless of whether asserted
in a proceeding in equity or at law.

        3.7 Absence of Certain Changes and Events. Since the Balance Sheet Date:

                (a) To the knowledge of RTPS, there has not been any change in
        the business, operations, assets or financial condition of RTPS or any
        of the Affiliate which has had or, as far as Raytel or RTPS can
        reasonably foresee, is reasonably likely to have a Material Adverse
        Effect.

                                      -8-
<PAGE>   10

                (b) Except as contemplated by this Agreement, neither RTPS nor
        the Affiliate has, other than in the ordinary course of business, (i)
        entered into any material contract, license, franchise or commitment,
        waived any material rights or made any amendment or termination of any
        material contract, license, franchise or agreement; (ii) altered or
        revised, in any material respect, its accounting principles, procedures,
        methods or practices relating to the Raytel Management Business; (iii)
        transferred, disposed or, or otherwise removed from any of its premises
        any material assets; or (iv) incurred, discharged or satisfied any
        material liability or Encumbrance relating to the Raytel Management
        Business.

        3.8 Title to Properties; Absence of Encumbrances. RTPS and the Affiliate
have good and marketable title to all of their respective properties and assets
shown as owned on the Balance Sheet (except for assets disposed of in the
ordinary course of business since the Balance Sheet Date), free and clear of any
and all Encumbrances except for permitted encumbrances, as set forth in the
Raytel Disclosure Schedule (the "Permitted Encumbrances").

        3.9 Equipment and other Tangible Assets.

                (a) The RTPS Disclosure Schedule includes complete and accurate
        lists describing and specifying the location of all of the equipment and
        other tangible personal property owned or used in the RTPS Business and
        having an original cost in excess of $100,000. All of such equipment and
        tangible personal property is in operating condition and free from
        significant defects, ordinary wear and tear excepted.

                (b) The RTPS Disclosure Schedule includes a complete and
        accurate list of each lease under which RTPS is the lessor, sublessor,
        lessee or sublessee of any personal property (including any master lease
        in cases where RTPS is sublessee or sublessor) (the "RTPS Equipment
        Leases"), describing such lease and the type and location of the
        property which is the subject thereof.

        3.10 Real Property. Neither RTPS nor the Affiliate own any real property
in fee simple. The RTPS Disclosure Schedule includes a complete and accurate
list of each lease under which RTPS or a Affiliate is the lessor, sublessor,
lessee or sublessee of any real property (including any master lease in cases
where RTPS or a Affiliate is sublessee or sublessor) (the "RTPS Real Property
Leases"), describing such lease and the location of the property which is the
subject thereof.

                                      -9-
<PAGE>   11

        3.11 Contracts, Commitments and Relationships.

                (a) The RTPS Disclosure Schedule includes a complete and
        accurate list, including a brief description, of: (i) all loans,
        mortgages, deeds of trust, promissory notes, conditional sales
        agreements or security agreements, (ii) all material agreements between
        RTPS or any of the Affiliate and any consultants, employees or service
        providers, (iii) all material agreements or arrangements involving the
        relationship between RTPS or any wholly-owned Affiliate and any
        majority-owned Affiliate or the other shareholders, co-venturers or
        partners of such Affiliate, other than RTPS Equipment Leases and RTPS
        Real Property Leases, (iv) all sales agency, sales representation,
        licensing or distributorship agreements, and (v) any other written
        agreement, contract, guaranty, indemnity, power of attorney, license,
        indebtedness, liability or other obligation, including agreements with
        suppliers and purchase orders involving a commitment in excess of
        $50,000, to which RTPS or any Affiliate is a party or by which RTPS or
        any Affiliate or any of their respective properties or assets are bound
        (collectively, the "Material RTPS Contracts"). Except for the RTPS
        Equipment Leases, the RTPS Real Property Leases and the Material RTPS
        Contracts, neither RTPS nor the Affiliate is a party to or otherwise
        bound by the terms of any contract, agreement, obligation or proposal
        (whether written or oral) in any material way affecting the RTPS
        Business.

                (b) Neither RTPS nor the Affiliate, nor, to the best knowledge
        of Raytel or RTPS, any other party is in default under any RTPS
        Equipment Lease, RTPS Real Property Lease or Material RTPS Contract, and
        there are no existing disputes or claims of default relating thereto, or
        any facts or conditions known to Raytel or RTPS which, if continued,
        will result in a default or a claim of default thereunder, except for
        such disputes, defaults or claims which would not be reasonably likely
        to have a Material Adverse Effect.

        3.12 Compliance with Law. RTPS and the Affiliate possess all regulatory
consents, authorizations, approvals, licenses and permits required by
Governmental Authorities in connection with the conduct of the Raytel Management
Business as presently conducted, where the failure to possess any such consent,
authorization, approval, license or permit would be reasonably likely to have a
Material Adverse Effect; provided, however, that no representation is made with
respect to the licensing or qualification of medical professionals or
professional corporations performing services under contracts or arrangements
with RTPS or a Affiliate at any of the premises. Neither Raytel, RTPS nor the
Affiliate has received any: (i) notification of any asserted failure by RTPS or
any Affiliate to comply with any laws, regulations or other requirements of
Governmental Authorities, the failure to comply with which would be reasonably
likely to have a Material Adverse Effect; or (ii) complaint, inquiry or request
for information (whether written or oral) from any Governmental Authority
relating thereto.

        3.13 Environmental Matters. To the best knowledge of Raytel and RTPS (i)
the operation of RTPS and the Affiliate are in compliance with applicable
Environmental Laws, except for such noncompliance which is not reasonably likely
to have a Material Adverse Effect, (ii) neither RTPS nor the Affiliate is
subject to any judicial or administrative proceeding alleging

                                      -10-
<PAGE>   12

the violation of any Environmental Law, which proceeding is reasonably likely to
result in a Material Adverse Effect, and (iii) neither RTPS nor the Affiliate
has received any written notice from any Governmental Authority that it is a
potentially responsible party at any Superfund site.

        3.14 Litigation and Claims. The RTPS Disclosure Schedule contains a
description of all claims, actions, suits, investigations or proceedings pending
or, to the best knowledge of Raytel or RTPS, threatened against or affecting
RTPS, any of the Affiliate, or any of their respective properties or business,
at law or in equity, or before or by any Governmental Authority which is
reasonably likely to have a Material Adverse Effect. There is no action, suit,
proceeding or, to the best knowledge of Raytel or RTPS, formal governmental
inquiry or investigation pending against Raytel or RTPS which seeks to restrain
or prohibit or otherwise challenges the consummation, legality or validity of
the transactions contemplated hereby.

        3.15 Consents. Except as set forth in Section 6.4 and the Raytel
Disclosure Schedule, no consent, approval or authorization of any Government
Authority or other third person is required on the part of Raytel or RTPS in
connection with the execution and delivery of this Agreement or the consummation
of any of the transactions contemplated herein.

        3.16 Labor Difficulties. There is no unfair labor practice complaint
pending before the NLRB or overtly threatened against or affecting RTPS or any
subsidiary which would be reasonably likely to have a Material Adverse Effect.
Neither RTPS nor the Affiliate is a party to any collective bargaining
agreement, and, to the best knowledge of Raytel and RTPS, no petition for
election has been filed with the NLRB or any Region of the NLRB, and no
organizing campaign or other effort is under way by any labor organization to
organize any non-union represented employees of the Raytel Management Business.

        3.17 Fringe Benefit Plans. Except as described in the RTPS Disclosure
Schedule, neither RTPS nor the Affiliate has any bonus, deferred compensation,
pension, profit-sharing, retirement, health, equity purchase, stock option or
any other fringe benefit plan, arrangement or practice, whether formal or
informal.

        3.18 Accounts Receivable. The RTPS Disclosure Schedule contains a
complete and correct list of all accounts receivable of RTPS and the Affiliate
as of the date set forth thereon. All of such accounts receivable, and such
additional accounts receivable accrued between the date thereof and the Closing
Date arose, or will arise, in the ordinary and usual course of the Raytel
Management Business, and have been recorded, or will be recorded, net of an
allowance for uncollectibles determined in a manner consistent with past
practice. To the best knowledge of Raytel and RTPS, none of such accounts
receivable are subject to setoffs or counterclaims. Notwithstanding any other
provision of this Agreement, neither Raytel nor RTPS makes any representation or
warranty, other than as contained in this Section 3.19 concerning the
collectability of such accounts receivable or the sufficiency of such reserve at
the Balance Sheet Date, the Closing Date or any other date.

                                      -11-
<PAGE>   13

        3.19 Taxes. RTPS and the Affiliate has filed, or caused to be filed, all
Tax Returns and information returns required to be filed by it, and has paid all
Taxes due or claimed to be due from it. The RTPS Balance Sheet includes adequate
provision for all such Taxes.

        3.20 Insurance. The RTPS Disclosure Schedule includes a complete and
accurate list of all policies of fire, liability, business interruption,
workers' compensation and other forms of insurance covering the Raytel
Management Business and setting forth the coverage and policy limits of each
such policy. All such policies are in full force and effect, all premiums with
respect thereto covering all periods up to the Closing Date have been paid, or
will be paid in a timely manner, and no notice of cancellation or termination
has been received with respect to any such policy.

                                   ARTICLE IV
                   REPRESENTATIONS AND WARRANTIES OF PURCHASER

        Purchaser represents to Raytel and RTPS that:

        4.1 Organization and Good Standing. Purchaser is a limited liability
company duly organized, validly existing and in good standing under the laws of
the State of Texas.

        4.2 Authorization. Purchaser has full power and authority to execute and
deliver this Agreement and to carry out the transactions contemplated hereby.
Purchaser has taken all corporate action required by law, its Articles of
Organization and Regulations or otherwise to authorize the execution and
delivery of this Agreement and the consummation by it of the transactions
contemplated hereby. This Agreement has been duly executed and delivered by
Purchaser and constitutes the valid and binding obligation of Purchaser,
enforceable in accordance with its terms, except as enforceability may be
limited by (i) applicable bankruptcy, insolvency, moratorium, reorganization and
other similar laws affecting creditors' rights generally, and (ii) general
principles of equity, regardless of whether asserted in a proceeding in equity
or at law.

        4.3 Litigation. There is no action, suit, proceeding or, to the best
knowledge of Purchaser, formal governmental inquiry or investigation pending
against Purchaser which seeks to restrain or prohibit or otherwise challenges
the consummation, legality or validity of the transactions contemplated hereby.

        4.4 Consents. Except as set forth in Section 6.4, no consent, approval
or authorization of any Governmental Authority or other third party is required
on the part of Purchaser in connection with the execution and delivery of this
Agreement or the consummation of any of the transactions contemplated hereby.

                                      -12-
<PAGE>   14

        4.5 Investment Representations.

                (a) Purchaser possesses such knowledge and experience in
        financial and business matters that it is capable of evaluating the
        merits and risks of its investment hereunder. Purchaser is acquiring the
        Shares for its own account, for investment purposes only and not with a
        view to the distribution thereof.

                (b) Purchaser acknowledges that it has conducted its own
        investigation of the business and affairs of RTPS and the Affiliate,
        that the Shares have not been registered under the Securities Act of
        1933, as amended, or any state securities or "Blue Sky" laws; and that
        it has received all the information that it requested from Raytel and
        RTPS concerning RTPS and the Affiliate.

        4.6 Financing. Purchaser has, or has access to, and pending the Closing
will have, sufficient funds and financing to pay the Purchase Price in full on
the Closing Date.

        4.7 Financial and Operational Issues Concerning RTPS. Purchaser has had
considerable control over the financial and operational activities of the RTPS
since November 10, 1999 as the result of a mutual understanding between the
parties. The financial and operational activities of RTPS which Purchaser has
controlled since November 10, 1999 include the ordering of supplies and services
from third-party vendors in the name of RTPS and the hiring of additional
personnel to be employed by RTPS, and possibly other commitments that have not
been communicated or made known to Raytel or RTPS. As set forth in Section 6.9,
Purchaser hereby represents and warrants to RTPS and Raytel that Purchaser shall
assume all responsibility for any and all invoices, purchase orders, loans,
leases, written or oral commitments, or other similar types of arrangements for
goods or services or financing for capital equipment or improvements (the
"Commitment") which have been entered into by Purchaser or Purchaser's
representatives (whether such representatives were or are employees of RTPS or
Affiliate at the time the Commitment was made) through and including the
Closing. Any such Commitment made by Purchaser or Purchaser's representative
following the Closing shall remain the obligation of Purchaser and Purchaser
shall indemnify Raytel as provided in Section 94., herein below.

        4.8 Title to the Promissory Notes and Raytel Stock. Purchaser represents
that it has good and marketable title to the Promissory Notes and the Raytel
Stock, free and clear of any and all encumbrances.

                                    ARTICLE V
                      CONDUCT OF BUSINESS PRIOR TO CLOSING

        5.1 Conduct of Raytel Management Business. During the period from the
date of this Agreement to the Closing Date, Raytel and RTPS shall use their
respective best efforts, and shall cause the Affiliate to use their best
efforts, to maintain and preserve intact: (i) the business organization, rights
and privileges pertinent to the Raytel Management Business; and (ii) the

                                      -13-
<PAGE>   15

relationships of RTPS and the Affiliate with their respective partners,
co-venturers, managers, licensors, suppliers, customers and others with whom
they deal, all in accordance with their ordinary and usual course of business.

        5.2 Transfer of RTPS Retained Assets. Prior to the Closing, RTPS shall
take all necessary action to transfer to Raytel, or another entity designated by
Raytel, the RTPS Retained Assets.

        5.3 Restrictions on Activities. Prior to the Closing Date, neither RTPS
nor the Affiliate shall, without the prior written consent of Purchaser (which
consent shall not be unreasonably withheld) or except as specifically
contemplated by this Agreement:

                (a) amend its Certificate of Incorporation, Bylaws, Agreement of
        Limited Partnership or Joint Venture Agreement;

                (b) authorize for issuance, issue, deliver or sell any
        additional capital stock, partnership or joint venture interests or
        securities convertible into such interests, or issue or grant any
        rights, warrants, options or other commitments for the issuance of such
        interests;

                (c) split, combine or reclassify any capital stock, joint
        venture interests or partnership interests or declare, set aside or pay
        any distribution (whether in cash or property) to its shareholders or
        partners in respect of their capital interest (other than distributions
        by a Affiliate in the ordinary course of business consistent with prior
        practice);

                (d) dispose of or acquire any material properties or assets
        except in the ordinary course of business consistent with prior
        practice, nor make any single capital expenditure, lease or commitment
        in excess of $50,000 additions to property, plant, equipment or
        intangible capital assets or make aggregate capital expenditures, leases
        or commitments for such purposes in excess of $50,000.

                (e) engage in any activities or transactions that are outside
        the ordinary course of the Raytel Management Business in substantially
        the manner as heretofore conducted;

                (f) incur any indebtedness for borrowed money;

                (g) waive or terminate any material right;

                (h) mortgage, pledge or subject to lien or to any other
        Encumbrance (other than Permitted Encumbrances) any of its assets,
        tangible or intangible;

                (i) discharge or satisfy any Encumbrance or pay any obligation
        or liability, except current liabilities set forth on the Balance Sheet
        and current liabilities incurred since the Balance Sheet Date in the
        ordinary course of business;

                                      -14-
<PAGE>   16

                (j) move or relocate any of its material operations from their
        present locations; or

                (k) agree, whether in writing or otherwise, to do any of the
        foregoing.

                                   ARTICLE VI
                              ADDITIONAL AGREEMENTS

        6.1 Access and Information.

                (a) Raytel and RTPS have previously afforded (and will continue
        to afford) to Purchaser and to its accountants, counsel and other
        representatives full access during normal business hours and upon
        reasonable notice throughout the period prior to the Closing Date to all
        of the properties, books, contracts and records of RTPS and the
        Affiliate and has furnished (and will furnish) to Purchaser all
        information concerning the business, properties and personnel of RTPS
        and the Affiliate as Purchaser has requested (or may reasonably
        request).

                (b) Neither Raytel nor RTPS shall be obligated to disclose to
        Purchaser any information which is subject to an obligation of
        confidentiality which would be breached by such disclosure; provided,
        however, that no refusal to make disclosure under this Section shall
        relieve the non-disclosing party of any obligation arising under any
        other representations or warranties contained herein or obligations
        hereunder.

                (c) In the event that between the date hereof and the Closing
        Date, any Governmental Authority shall commence any examination, review,
        investigation, action, suit or proceeding against any party hereto with
        respect to the transactions contemplated hereby, the party as to which
        such examination, review, investigation, action, suit or proceeding is
        commenced shall give prompt notice thereof to the other parties, shall
        keep the other parties informed as to the status thereof, shall promptly
        provide the other parties with copies of all documents related thereto
        and shall permit the other parties to observe and be present at each
        meeting, conference or other proceeding and have access to and be
        consulted in connection with any document filed or provided to such
        governmental authority in connection with such examination, review,
        investigation, action, suit or proceeding.

        6.2 Certain Defaults. Raytel and RTPS will give prompt notice to
Purchaser of (i) any notice of default received by them subsequent to the date
of this Agreement and prior to the Closing Date under any of the Material RTPS
Contracts, the RTPS Equipment Leases, the RTPS Real Property Leases, or any
other material instrument or material agreement to which Raytel, RTPS or any of
the Affiliate is a party or by which any of them is bound, which default would,
if not remedied, be reasonably likely have a Material Adverse Effect, or (ii)
any suit, action or proceeding instituted or, to the knowledge of Raytel or
RTPS, threatened against or

                                      -15-
<PAGE>   17

affecting Raytel, RTPS or any of the Affiliate subsequent to the date of this
Agreement and prior to the Closing Date which, if adversely determined, would be
reasonably likely to have a Material Adverse Effect.

        6.3 Communication. Between the date hereof and the Closing Date, neither
Raytel nor RTPS, on the one hand, nor Purchaser, on the other hand, will furnish
any written communication to their shareholders, or to the public generally, if
the subject matter thereof relates to the transactions contemplated by this
Agreement without the prior approval of the other as to the content thereof,
which approval shall not be unreasonably withheld; provided that the foregoing
shall not be deemed to prohibit any disclosure which, in the opinion of counsel
to the disclosing party, is required by any applicable law or by any competent
governmental authority.

        6.4 Consents and Approvals. Raytel and RTPS shall use their respective
best efforts to obtain any and all consents from other parties to contracts,
leases and other instruments necessary or appropriate to allow the consummation
of the transactions contemplated by this Agreement and the continuance of the
Raytel Management Business by the Purchaser following the Closing.

        6.5 Certain Information. Between the date of this Agreement and the
Closing Date, RTPS shall furnish to Purchaser copies of monthly financial
information which it customarily prepares for the internal use of Raytel
management.

        6.6 Employee Matters.

                (a) As of the Closing, Purchaser and/or Southeast Texas
        Cardiology Associates, L.L.P. (SETCA") shall offer continued employment
        to each of the current employees of RTPS and the Affiliate in such
        employee's present position, or in a comparable position with the Raytel
        Management Business. Every employee of RTPS and the Affiliate is deemed
        to be an employee "at-will" except for the Physicians described in
        Section 1.22, and the other physicians employed by Southeast Texas
        Cardiology Associates, or its successors and assigns. Each such employee
        (a "New Purchaser Employee") shall have salary or other compensation
        arrangements substantially equivalent to those in effect immediately
        prior to the Closing. For a one-year period following the Closing,
        Purchaser and/or SETCA shall maintain in effect for each New Purchaser
        Employee a severance policy no less favorable than Raytel's severance
        policy as currently in effect.

                (b) Effective as of the close of business on the Closing Date,
        the New Purchaser Employees shall cease to accrue benefits under
        Raytel's pension and profit-sharing plans. Benefits of such plans,
        accrued as of such time, shall be payable to such new Purchaser
        Employees in accordance with the terms of the applicable plan. There
        shall be no transfer of any assets of any such plan to Purchaser except
        to the extent a New Purchaser Employee may be permitted, under such plan
        and applicable laws and regulations, to transfer his or her vested
        account balance to a plan of Purchaser.

                                      -16-
<PAGE>   18

                (c) Effective as of the close of business on the Closing Date,
        the New Purchaser Employees shall cease to be covered on an ongoing
        basis by Raytel's plans and policies which provide medical and dental
        coverage, life and accident insurance, disability coverage and vacation
        and severance pay. The New Purchaser Employees will be eligible to
        participate in all fringe benefit plans and policies currently offered
        by Purchaser to its employees, subject to the terms and conditions of
        such plans and policies, copies of which have been provided by Purchaser
        to Raytel.

                (d) From and after the Closing, Purchaser shall give each New
        Purchase Employee full credit for all vacation time and sick leave
        accrued by such employee as of the Closing.

                (e) Effective as of the Closing, Purchaser shall, for all
        purposes, credit New Purchaser Employees for their past service with
        Raytel and/or any of its subsidiaries.

        6.7 Raytel's Names and Trademarks.

                (a) Effective upon the Closing Date, the corporate name of RTPS
        and Affiliate shall be changed to remove the word "Raytel" therefrom.

                (b) Purchaser shall not, and from and after the Closing shall
        ensure that the employees and representatives of Purchaser, RTPS and the
        Affiliate do not, represent itself or themselves as Raytel or as
        employees or representatives of Raytel. The foregoing prohibitions shall
        apply, without limitation, to the use of any stationary or identifying
        signs. Notwithstanding the foregoing, for a period not to exceed 90 days
        following the Closing Date, Purchaser shall not be required to remove
        the name "Raytel," or any logo thereof, from existing supplies of
        printed materials as of the Closing Date provided that such materials
        shall be conspicuously stamped or marked with words to the effect that
        RTPS, or the Affiliate, as the case may be, is no longer an affiliate of
        Raytel.

        6.8 Closing Balance Sheet. Within forty-five (45) days of the Closing
Date, Raytel will prepare a balance sheet for the period beginning May 1, 2000
and ending May 31, 2000 (the "Closing Balance Sheet") prepared in accordance
with GAAP on the same basis as the other Financial Information has been prepared
and, as practicable following the Closing Date, shall deliver to Purchaser a
copy of the Closing Balance Sheet.

        6.9 Purchaser's Covenant Concerning Commitments made on behalf of RTPS.
Purchaser hereby covenants that Purchaser assumes all responsibility for any and
all invoices, purchase orders, loans, leases, written or oral commitments, or
other similar types of arrangements for goods or services or financing for
capital equipment or improvements (the "Commitment") which have been entered
into by Purchaser or Purchaser's representatives (whether such representatives
were or are employees of RTPS or Affiliate at the time the Commitment was made)
through and including the Closing for Commitments made without the Knowledge of
Raytel (as that term is defined in Section 13.12(d)). Any such Commitment made
by Purchaser or Purchaser's representative following the Closing shall remain
the obligation of

                                      -17-
<PAGE>   19

Purchaser. Purchaser shall indemnify Raytel as provided in Section 9.4., herein
below, for any Commitment made without the knowledge and consent of RTPS or
Raytel prior to the Closing.

        6.10 Mutual Covenant Concerning Transfer of Nuclear Imaging Facility.
The parties hereby mutually covenant to complete the transfer of specified
assets of Raytel Nuclear Imaging-Orange, L.P., to Purchaser not later than June
5, 2000. The assets consist of the medical imaging equipment and related
equipment, office furniture and office equipment, medical supplies and
consumables, premises fixtures, and nuclear license, but not including the cash
or accounts receivable of the business. Purchaser has agreed to assume the
liability associated with the equipment lease for the medical imaging equipment
(the camera) and related equipment, the office lease, and the liabilities for
accrued vacation and sick leave associated with the three employees of the
nuclear imaging facility. Attached hereto is the form of the Asset Purchase and
Conveyance Agreement ("Conveyance Agreement") which will be the basis for the
transfer of the specified assets and the specified liabilities. Purchaser agrees
to provide Raytel with an aged accounts receivable listing and to then assist
Raytel in the collection of the accounts receivable following the closing.

        6.11 Termination of Obligations Arising under Management Services
Agreement. The parties hereby agree that the Financial Information and the
Closing Balance Sheet set forth the accrued amounts payable to the Physicians
pursuant to the terms of the Management Services Agreement, as amended (as
defined in Section 8.4(b), herein below), and the amount as of April 30, 1999,
as set forth in the attached Balance Sheet is Five Hundred Fifty Thousand Seven
Hundred Seventy-three and 06/100 Dollars ($550,773.06), which includes amounts
payable to the Physicians for such items as physician compensation,
Shareholders' Top-up, Medical Director's Top-up, and Medical Director Fees. This
Agreement and the Termination Agreement terminate any obligation of Raytel to
make the payments to the Physicians for the payments described herein in this
Section 6.11 have been accrued but not paid as of the Closing.

        6.12 Preparation of Tax Returns. Purchaser agrees that it shall prepare
and file any and all tax returns for RTPS from and after the Closing for all
open periods for which tax returns are required to be filed, with the exception
of the tax returns due for the period ended September 30, 1999 for which Raytel
shall prepare and file all tax returns and shall pay any tax for the period
ended September 30, 1999.

        6.13 Assistance with Collection of Amounts Owed by Baptist Hospital.
Purchaser, and Rodolfo P. Sotolongo, M.D., in particular, agrees to use
reasonable efforts to assist Raytel in its efforts to collect amounts owed to
Raytel by The Baptist Hospital of Southeast Texas pursuant to a management
agreement.

                                      -18-
<PAGE>   20

                                   ARTICLE VII
                              CONDITIONS PRECEDENT

        7.1 Conditions to Each Party's Obligation to Effect the Transactions.
The respective obligations of each party to effect the transactions contemplated
hereby shall be, at the election of such party, subject to the satisfaction at
or prior to the Closing of the following conditions:

                (a) No order shall have been entered, and not vacated, by a
        court or Governmental Authority of competent jurisdiction, in any action
        or proceeding which enjoins, restrains or prohibits consummation of the
        transactions contemplated hereby.

                (b) There shall be no litigation pending or threatened by any
        Governmental Authority in which (i) an injunction is or may be sought
        against the transactions contemplated hereby, or (ii) relief is or may
        be sought against any party hereto as a result of this Agreement and in
        which, in the good faith judgment of the Board of Directors of either
        Raytel or Purchaser (relying on the advice of their respective legal
        counsel), such Governmental Authority has the probability of prevailing
        and where such relief would have a material adverse effect upon such
        party.

        7.2 Conditions to Obligations of Raytel and RTPS. The obligations of
Raytel and RTPS to effect the transactions contemplated hereby are, at the
option of Raytel, subject to the satisfaction at or prior to the Closing of the
following additional conditions:

                (a) All of the representations and warranties made by Purchaser
        in this Agreement shall be true in all material respects as of the
        Closing Date with the same force and effect as if such representations
        and warranties had been made as of the Closing Date, except for changes
        contemplated by this Agreement, and Purchaser shall have delivered to
        Raytel a certificate to such effect dated the Closing Date and signed by
        its president or any vice president.

                (b) All of the terms, covenants and conditions of this Agreement
        to be complied with and performed by Purchaser at or before the Closing
        Date shall have been duly complied with and performed, and Purchaser
        shall have delivered to Raytel a certificate to such effect dated the
        Closing Date and signed by its president or any vice president.

                (c) All authorizations, consents and approvals of all
        Governmental Authorities required to be obtained in order to permit
        consummation of the transactions contemplated by this Agreement shall
        have been obtained and delivered to Raytel.

        7.3 Conditions to Obligations of Purchaser. The obligations of Purchaser
to effect the transactions contemplated hereby are, at the option of Purchaser,
subject to the satisfaction at or prior to the Closing of the following
additional conditions:

                                      -19-
<PAGE>   21

                (a) All of the representations and warranties made by Raytel and
        RTPS in this Agreement shall be true in all material respects as of the
        Closing Date with the same force and effect as if such representations
        and warranties had been made as of the Closing Date, except for changes
        contemplated by this Agreement, and Raytel and RTPS shall have delivered
        to Purchaser a certificate to such effect dated the Closing Date and
        signed by their respective president or any vice president.

                (b) All of the terms, covenants and conditions of this Agreement
        to be complied with and performed by Raytel and RTPS at or before the
        Closing Date shall have been duly complied with and performed, and
        Raytel and RTPS shall have delivered to Purchaser a certificate to such
        effect dated the Closing Date and signed by their respective president
        or any vice president.

                (c) All authorizations, consents and approvals of all
        Governmental Authorities required to be obtained in order to permit
        consummation of the transactions contemplated by this Agreement shall
        have been obtained and delivered to Purchaser.

                (d) There shall have been no material adverse change in the
        financial condition, results of operations, or business of RTPS and the
        Affiliate, taken together, from the Balance Sheet Date through the
        Closing Date other than changes disclosed in the RTPS Disclosure
        Schedule.

                (e) Raytel shall have received the written consent and agreement
        of BankBoston/Fleet Bank as agent for BankBoston/Fleet Bank and Paribas
        pursuant to the Amended and Restated Credit Agreement dated as of August
        14, 1996 (the "Credit Agreement") to a waiver of all applicable loan
        covenants regarding the transactions contemplated by this Agreement, the
        Conveyance Agreement (set forth in Section 6.10); and the Master
        Termination Agreement and Indemnity Agreement dated May 31, 2000, which
        consents and agreements have been requested, and which Raytel believes
        it will receive.

THIS CONDITION HAS NOT BEEN WAIVED BY RAYTEL. AS STATED IN THE RECITALS TO THIS
AGREEMENT, IF THE LENDERS DO NOT PROVIDE RAYTEL WITH THE WRITTEN CONSENT AS SET
FORTH IN THIS SECTION 7.3(e) BY JUNE 15, 2000, THEN THIS AGREEMENT AND THE
MASTER TERMINATION AGREEMENT SHALL BECOME NULL AND VOID WITHOUT PREJUDICE TO ANY
RIGHTS THE PARTIES MAY HAVE UNDER ANY OF THE TRANSACTION DOCUMENTS DESCRIBED IN
SECTIONS 1.29 AND 8.4(b).

                                      -20-
<PAGE>   22

                                  ARTICLE VIII
                                   THE CLOSING

        8.1 The Closing. The Closing shall take place simultaneously at the
offices of Raytel Medical Corporation located at 2755 Campus Drive, Suite 200,
San Mateo, California 94403 and at the offices of Orgain, Bell and Tucker, 470
Orleans Street, Beaumont, Texas 77701 on the Closing Date. Counter-part original
signature pages shall be executed and exchanged by facsimile and by overnight
express delivery service.

        8.2 Proceedings at the Closing. All proceedings to be taken and all
documents to be executed and delivered by Raytel and RTPS in connection with the
consummation of the transactions contemplated hereby shall be reasonably
satisfactory in form and substance to Purchaser and its counsel. All proceedings
to be taken and all documents and instruments to be executed and delivered by
Purchaser in connection with the consummation of the transactions contemplated
hereby shall be reasonably satisfactory in form and substance to Raytel and its
counsel. All proceedings to be taken and all documents and instruments to be
executed and delivered by all parties at the Closing shall be deemed to have
been taken and executed simultaneously, and no proceedings shall be deemed taken
nor any documents executed or delivered until all have been taken, executed and
delivered.

        8.3 Deliveries by Raytel and RTPS. At the Closing, Raytel and RTPS shall
deliver, or shall cause to be delivered, to Purchaser the following:

                (a) Certificates representing the Shares, which certificates
        shall be duly endorsed in blank or, in lieu thereof, shall have affixed
        thereto stock powers duly executed in blank, and in proper form for
        transfer;

                (b) Incumbency certificates setting forth the names of officers
        of Raytel and RTPS who are authorized to execute this Agreement and the
        other documents executed by Raytel and RTPS pursuant hereto, together
        with their respective signatures, signed by duly authorized officers of
        Raytel and RTPS;

                (c) Resignation of officers and directors of RTPS; and

                (d) Corporate minute books and other books and records of RTPS.

        8.4 Deliveries by Purchaser. At the Closing, Purchaser shall deliver to
Raytel the following:

                (a) The original Raytel Promissory Notes;

                (b) A copy of the Master Termination and Indemnification
        Agreement dated as of May 31, 2000, which among other things, cancels
        the issuance of the Raytel Common Stock, mutually releases the parties
        from all causes of action arising out of or pursuant to the Master
        Transaction Agreement, the Management Services Agreement

                                      -21-
<PAGE>   23

        dated as of August 21, 1996 and as amended October 18, 1997 (the
        "Management Services Agreement"), and signed by a duly authorized
        officer of Purchaser and by each of the Physicians, as referred to in
        Section 1.22; and

                (c) An incumbency certificate setting forth the names of
        officers of Purchaser who are authorized to execute this Agreement and
        the other documents executed by Purchaser pursuant hereto, together with
        their respective signatures, signed by a duly authorized officer of
        Purchaser.

                                   ARTICLE IX
                     SURVIVAL OF REPRESENTATIONS, WARRANTIES
                         AND COVENANTS; INDEMNIFICATION

        9.1 Survival. The representations, warranties and covenants of the
parties contained in this Agreement or in any certificate or instrument
delivered pursuant hereto shall survive the Closing hereunder. Subsequent to the
Closing, the provisions of this Article IX shall be the sole remedy for the
breach of any representations or warranties contained in this Agreement.

        9.2 Indemnification by Raytel. Subject to the provisions and limitations
herein contained, Raytel hereby agrees to indemnify, defend and hold harmless
Purchaser, its officers directors, managers, owners, employees and attorneys,
all parents, subsidiaries and affiliates of Purchaser, and the respective
officers, directors, employees and attorneys of such entities (all such persons
and entities being collectively referred to as the "Purchaser Group") from and
against any and all losses, damages, costs and expenses (including reasonable
legal fees and expenses) which any member of the Purchaser Group may at any time
sustain or incur which are occasioned by, caused by or arise out of: (i) any
inaccuracy in or breach of any of the representations, warranties or covenants
made by Raytel or RTPS in this Agreement, or any closing document, schedule or
other instrument executed in connection herewith; or (ii) any breach by Raytel
or RTPS of its obligations under this Article IX.

        9.3 Limitation of Raytel's Liability. The liability of Raytel under
Section 9.2 shall be limited as follows:

                (a) The maximum amount payable by Raytel in respect of all
        claims for indemnification under Section 9.2 will not exceed the
        Purchase Price set forth in Section 2.2, herein above.

                (b) No claim shall be made for indemnification under Section 9.2
        until the aggregate amount of all such claims exceeds Five Thousand
        Dollars ($5,000).

                (c) No member of the Purchaser Group shall be entitled to
        recover under Section 9.2 with respect to:

                                      -22-
<PAGE>   24

                        (i) the breach of any representation or warranty unless
                such claim has been asserted by written notice, specifying the
                details of such breach, delivered to Raytel on or prior to the
                expiration of one year after the Closing Date;

                        (ii) the breach of any representation or warranty, or
                any covenant to be performed prior to the Closing, if before the
                Closing an executive officer of Purchaser had actual knowledge
                of the fact or facts which cause such breach; or

                        (iii) any claim, to the extent the claim has been
                satisfied by proceeds of insurance (Purchaser hereby agreeing to
                use its best efforts to collect the maximum amount of insurance
                proceeds to which it is entitled).

                (d) The amount of any recovery to which a member of the
        Purchaser Group may be entitled pursuant to Section 9.2 shall be net of
        (i.e., after deducting) any federal, state and/or local income tax
        benefits or insurance proceeds inuring to such person as a result of the
        set of facts which entitle such person to recover from Raytel pursuant
        to Section 9.2.

                (e) Raytel will not be liable under the indemnification
        provisions of Section 9.2 to the extent that any loss, claim, liability
        or expense results from an indemnified party's bad faith or negligence.

        9.4 Indemnification by Purchaser. Subject to the provisions and
limitations herein contained, Purchaser hereby agrees to indemnify, defend and
hold harmless Raytel, its officers, directors, employees and attorneys, all
parents, subsidiaries and affiliates of Raytel, and the respective officers,
directors, employees and attorneys of such entities (all such persons and
entities being collectively referred to as the "Raytel Group") from and against
any and all losses, damages, costs and expenses (including reasonable attorneys'
fees and expenses) which any member of the Raytel Group may at any time sustain
or incur which are occasioned by, caused by or arise out of: (i) any inaccuracy
in or breach of any of the representations, warranties or covenants made by
Purchaser in this Agreement; (ii) the operation of the Raytel Management
Business after the Closing; or (iii) any breach by Purchaser of its obligations
under this Article IX.

        9.5 Limitation of Purchaser's Liability.

                (a) The maximum amount payable by Purchaser in respect of all
        claims for indemnification under Section 9.4 will not exceed the
        Purchase Price set forth in Section 2.2, herein above.

                (b) No claim shall be made for indemnification under Section 9.4
        until the aggregate amount of all such claims exceeds Five Thousand
        Dollars ($5,000).

                (c) No member of the Raytel Group shall be entitled to recover
        under Section 9.4 with respect to:

                                      -23-
<PAGE>   25

                        (i) the breach of any representation or warranty unless
                such claim has been asserted by written notice, specifying the
                details of such breach, delivered to Purchaser on or prior to
                the expiration of one year after the Closing Date;

                        (ii) the breach of any representation or warranty, or of
                any covenant to be performed prior to the Closing, if before the
                Closing an executive officer of Raytel had actual knowledge of
                the fact or facts which caused such breach; or

                        (iii) any claim, to the extent the claim has been
                satisfied by proceeds of insurance (Raytel hereby agreeing to
                use its best efforts to collect the maximum amount of insurance
                proceeds to which it is entitled).

                (d) The amount of any recovery to which a member of the Raytel
        Group may be entitled pursuant to Section 9.4 shall be net of (i.e.,
        after deducting) any federal, state and/or local income tax benefits or
        insurance proceeds inuring to such person as a result of the set of
        facts which entitle such person to recover from Purchaser pursuant to
        Section 9.4.

                (e) Purchaser will not be liable under the indemnification
        provisions of Section 9.4 to the extent that any loss, claim, liability
        or expense results from an indemnified party's bad faith or gross
        negligence.

        9.6 Defense. In the event that a claim for indemnification hereunder is
based upon a claim by a third party asserted against the indemnified party, the
indemnifying party or parties shall be entitled to control the defense thereof
and to settle any such action on such terms as it or they shall see fit so long
as the party entitled to indemnification shall be released from any liability by
reason of such settlement; provided, however, that the party entitled to
indemnification shall have the right to approve counsel retained with respect to
such defense (which consent shall not unreasonably be withheld) and the right to
participate in the defense of such action at its own expense. The party or
parties required to provide indemnification hereunder shall receive full
cooperation and access to all relevant and non-privileged records of the party
or parties entitled to indemnification.

        9.7 Procedure and Dispute Resolution.

                (a) If an indemnified party shall have a claim of
        indemnification pursuant to this Article IX (an "Indemnity Claim"), it
        will promptly give written notice thereof (the "Claim Notice") to the
        indemnifying party or parties, including therein a brief description of
        the facts upon which such claim is based and the amount thereof, to the
        extent that it can be ascertained.

                (b) In the event that the indemnifying party or parties dispute
        the validity or amount of any Indemnity Claim, prior to taking any other
        action, the matter shall be referred to responsible executives of the
        affected parties for consideration and resolution.

                                      -24-
<PAGE>   26

        If the parties have not otherwise resolved the dispute, they shall meet
        in person within 30 days after the delivery of the Claim Notice and
        exercise their best efforts to settle the matter amicably.

                (c) If any such dispute is not settled within 30 days from the
        delivery of the Claim Notice, such dispute shall, at the demand of
        either party, be referred to and decided by litigation in accordance
        with the provisions of Section __.

                                    ARTICLE X
                           TERMINATION AND ABANDONMENT

        10.1 Termination by Raytel. This Agreement may be terminated at any time
prior to the Closing by action of the Board of Directors of Raytel upon written
notice to Purchaser, specifying the basis for such termination, if: (i)
Purchaser shall have breached in any material respect any of its covenants or
agreements contained in this Agreement or if any representation or warranty of
Purchaser contained in this Agreement shall have been materially inaccurate; or
(ii) the Closing shall not have occurred on or before July 31, 2000.

        10.2 Termination by Purchaser. This Agreement may be terminated at any
time prior to the Closing by action of the Board of Directors of Purchaser upon
written notice to Raytel, specifying the basis for such termination, if: (i)
Raytel or RTPS shall have breached in any material respect any of their
respective covenants or agreements contained in this Agreement, or if any
representation or warranty of Raytel or RTPS contained in this Agreement shall
have been materially inaccurate; or (ii) the Closing shall not have occurred on
or before July 31, 2000.

        10.3 Mutual Consent. This Agreement may be terminated at any time prior
to the Closing by mutual consent of Raytel and Purchaser.

        10.4 Effect of Termination. Upon any permitted termination of this
Agreement pursuant to the provisions of this Article XI, the parties shall be
relieved of all further obligations under this Agreement, except as set forth in
Section 10.5 and except for the provisions of Article XII regarding the payment
of expenses and the obligations of the parties under the Confidentiality
Agreements.

        10.5 Default; Remedies and Liquidated Damages.

                (a) If the sale of the Shares is not consummated in accordance
        with this Agreement because of Raytel's breach hereof, Purchaser's sole
        remedy shall be to terminate Purchaser's obligations under this
        Agreement pursuant to Section 11.2, and recover damages equal to
        Purchaser's actual, reasonable, out-of-pocket costs and expenses
        incurred in connection with the transactions contemplated by this
        Agreement. Purchaser shall have no other remedies, whether at law or in
        equity, for any default hereunder; provided that Purchaser will be
        entitled to the benefit of any obligations, covenants and indemnities
        hereunder and under the Confidentiality Agreement which

                                      -25-
<PAGE>   27

        expressly survive the termination this Agreement. Purchaser may only
        avail itself of the remedies in this Section 10.5(a) if, at the time of
        Raytel's default, Purchaser is not in default hereunder.

                (b) If the purchase of the Shares is not consummated in
        accordance with this Agreement because of Purchaser's breach hereof,
        Raytel's sole remedy shall be to terminate Raytel's obligations under
        this Agreement pursuant to Section 10.1. Raytel shall have no other
        remedies, whether at law or in equity, for any default hereunder;
        provided that Raytel will be entitled to the benefit of any obligations,
        covenants and indemnities hereunder and under the Confidentiality
        Agreement which expressly survive the termination of this Agreement.
        Raytel may only avail itself of the remedies in this Section 11.5(b) if
        at the time of Purchaser's default, Raytel is not in default hereunder.

THE PARTIES EXPRESSLY AGREE AND ACKNOWLEDGE THAT RAYTEL'S ACTUAL DAMAGES IN THE
EVENT OF A DEFAULT BY PURCHASER WOULD BE EXTREMELY DIFFICULT OR IMPRACTICABLE TO
ASCERTAIN AND THAT THE LIQUIDATED DAMAGES AMOUNT SPECIFIED HEREIN REPRESENTS THE
PARTIES' REASONABLE ESTIMATE OF SUCH DAMAGES. THE PAYMENT OF THE LIQUIDATED
DAMAGES AMOUNT IS NOT INTENDED AS A FORFEITURE OR A PENALTY WITHIN THE MEANING
OF CALIFORNIA CIVIL CODE SECTIONS 3275 OR 3369, BUT IS INTENDED TO CONSTITUTE
LIQUIDATED DAMAGES TO RAYTEL PURSUANT TO CALIFORNIA CIVIL CODE SECTION 1671,
1676 AND 1677.

                                   ARTICLE XI
                               PAYMENT OF EXPENSES

        11.1 Expenses. The parties shall each pay their own legal, accounting
and financial advisory fees and other out-of-pocket expenses incurred incident
to the preparation and carrying out of this Agreement and the transactions
herein contemplated, whether or not the sale of the Shares hereunder is
consummated.

        11.2 Brokers. Raytel and RTPS, on the one hand, and Purchaser, on the
other hand, represent that they have dealt with no broker or finder in
connection with any of the transactions contemplated by this Agreement. Each
party represents that, insofar as it knows, no other broker, finder or other
person is entitled to any commission or fee in connection with any such
transaction. Each party agrees to indemnify and hold the other parties harmless
against any loss, liability, damage, cost or expense incurred by reason of any
commission or finder's fee alleged to be payable because of any act, omission or
statement of the indemnifying party.

                                      -26-
<PAGE>   28

                                   ARTICLE XII
                               GENERAL PROVISIONS

        12.1 Notices. No notice or other communication shall be deemed given
unless sent in the manner, and to the persons, specified in this Section 12.1.
All notices and other communications hereunder will be in writing and will be
deemed given (a) upon receipt if delivered personally (unless subject to clause
(b)) or if mailed by registered or certified mail, (b) on the day after dispatch
if sent by overnight courier or (c) upon dispatch if transmitted by telex,
telecopy or other means of facsimile transmission (and confirmed by a copy
delivered in accordance with clause (a) or (b)), addressed to the parties at the
following addresses:

To Raytel                      Raytel Medical Corporation
                               2755 Campus Drive
                               San Mateo, California 94403
                               Attn.: Richard F. Bader, Chief Executive Officer

To Purchaser:                  RTPS Acquisition Company, L.L.C.
                               C/o Orgain, Bell & Tucker, L.L.P.
                               Attention:  Lance Fox, Esq.
                               470 Orleans Street
                               Beaumont, Texas 77701

With a copy to:
                               Sandra E. D. McGraw, Esq.
                               The Health Care Group
                               Meetinghouse Business Center
                               140 West Germantown Pike, Suite 200
                               Plymouth Meeting, PA  19462

                               Lance Fox, Esq.
                               Orgain, Bell & Tucker, L.L.P.
                               470 Orleans Street
                               Beaumont, Texas 77701

or to such other addresses or other persons as may be designated in writing by a
party, by notice given as aforesaid.

        12.2 Interpretation. When a reference is made in this Agreement to an
Article or a Section, such reference shall be to an Article or a Section of this
Agreement unless otherwise indicated. The table of contents and headings
contained in this Agreement are for reference purposes only and shall not affect
in any way the meaning or interpretation of this Agreement. Whenever the words
"include," "includes" or "including" are used in this Agreement they shall be
deemed to be followed by the words "without limitation." The phrase "made
available" in this Agreement shall mean that the information referred to has
been made available if requested

                                      -27-
<PAGE>   29

by the party to whom such information is to be made available. The phrases "the
date of this Agreement," "the date hereof," and terms of similar import, unless
the context otherwise requires, shall be deemed to refer to May 31, 2000.

        12.3 Assignment. Neither this Agreement nor the rights, interests or
obligations hereunder shall be assigned by any of the parties hereto (whether by
operation of law or otherwise) without the prior written consent of the other
parties. Subject to the preceding sentence, this Agreement will be binding upon,
inure to the benefit of and be enforceable by the parties and their respective
successors and assigns.

        12.4 Headings. The headings of the several sections of this Agreement
are inserted for the convenience of reference only and are not intended to
affect the meaning or interpretation of this Agreement.

        12.5 Counterparts. This Agreement may be executed in one or more
counterparts, and when so executed each counterpart shall be deemed to be an
original, and said counterparts together shall constitute one and the same
instrument.

        12.6 Binding Nature. This Agreement shall be binding upon and inure to
the benefit of the parties hereto. No party may assign or transfer any rights or
obligations under this Agreement, without the prior written consent of the other
party, which consent shall not be unreasonably withheld or delayed.

        12.7 Waiver. Raytel and RTPS, on the one hand, and Purchaser, on the
other hand, may, by written notice to the other: (i) waive any of the conditions
to its obligations hereunder or extend the time for the performance of any of
the obligations or actions of the other; (ii) waive any inaccuracies in the
representations of the other contained in this Agreement or in any documents
delivered pursuant to this Agreement; (iii) waive compliance with any of the
covenants of the other contained in this Agreement; or (iv) waive or modify
performance of any of the obligations of the other. No action taken pursuant to
this Agreement, including without limitation any investigation by or on behalf
of either party, shall be deemed to constitute a waiver by the party taking such
action of compliance with any representation, warranty, condition or agreement
contained herein. Waiver of the breach of any one or more provisions of this
Agreement shall not be deemed or construed to be a waiver of other breaches or
subsequent breaches of the same provisions.

        12.8 Entire Agreement. This Agreement, the Schedules and Exhibits hereto
and the Master Termination and Indemnification Agreement of even date herewith,
the Asset Purchase and Conveyance Agreement of even date herewith and the
related closing documents constitute the entire agreement between the parties
pertaining to the subject matter contained herein and supersede all prior and
contemporaneous negotiations, agreements, representations, and understandings of
the parties. No supplement, modification, or amendment of this Agreement shall
be binding unless executed in writing by the party sought to be bound.

                                      -28-
<PAGE>   30

        12.9 Good Faith. Each of the parties hereto agrees that it shall act in
good faith in an attempt to cause all the conditions precedent to its respective
obligations to be satisfied and the Merger to be consummated.

        12.10 Severability. Should any provision of this Agreement be determined
to be invalid, it shall be severed from this Agreement and the remaining
provisions of the Agreement shall remain in full force and effect.

        12.11 Construction and Interpretation of Agreement.

                (a) This Agreement has been negotiated by the respective parties
        hereto and their attorneys and the language hereof shall not be
        construed for or against any party. The table of contents and headings
        herein are for reference purposes only and shall not in any manner
        affect the meaning or interpretation of this Agreement.

                (b) When a reference is made in this Agreement to an Article or
        a Section, such reference shall be to an Article or Section of this
        Agreement unless otherwise indicated. Whenever the words "include,"
        "includes" or "including" are used in this Agreement, they shall be
        deemed to be followed by the words "without limitation." The phrase
        "made available" in this Agreement shall mean that the information
        referred to has been made available if requested by the party to whom
        such information is to be made available. The phrases "the date of this
        Agreement," "the date hereof," and terms of similar import, unless the
        context otherwise requires, shall be deemed to refer to May 31, 2000.

                (c) As used in this Agreement, any reference to any state of
        facts, event, change or effect being "material" with respect to any
        entity means a state of facts, event, change or effect, as the case may
        be, that is material to the current or expected condition (financial or
        otherwise), properties, assets, liabilities, business, operations or
        prospects of such entity.

                (d) As used in this Agreement, the term "Knowledge of Raytel" or
        the "Knowledge of the Seller" means the actual knowledge of any of the
        directors or executive officers of Raytel after inquiry of those Raytel
        management employees (which shall include center managers and their
        superiors) who, because of their position, could reasonably be expected
        to have information relating to the subject matter of the particular
        representation.

                (e) Whenever the term "enforceable in accordance with its terms"
        or like expression is used, it is understood that excepted therefrom are
        any limitations on enforceability under applicable bankruptcy,
        insolvency, reorganization, moratorium or other laws of general
        application affecting the enforcement of creditor's rights.

                                      -29-
<PAGE>   31

        IN WITNESS WHEREOF, the parties hereto have executed this Agreement as
of the date first set forth above.

                                            RTPS Acquisition Company, L.L.C.

                                            By: /s/ R. P. Sotolongo, M.D.
                                               ---------------------------------
                                                R. P. Sotolongo, M.D., Manager

                                            RAYTEL MEDICAL CORPORATION

                                            By: /s/ Richard F. Bader
                                               ---------------------------------
                                                Richard F. Bader
                                                Chief Executive Officer

                                            RAYTEL MANAGEMENT HOLDINGS, INC.

                                            By: /s/ Richard F. Bader
                                               ---------------------------------
                                                Richard F. Bader
                                                Chief Executive Office

                                      -30-<PAGE>   1

                                                                   EXHIBIT 10.60

                               MASTER TERMINATION
                                       AND
                            INDEMNIFICATION AGREEMENT

        This MASTER TERMINATION AND INDEMNIFICATION AGREEMENT (the "Agreement")
is made and entered this 31st day of May, 2000, but effective as of NOVEMBER 10,
1999 (the "Effective Date"), between and among SOUTHEAST TEXAS CARDIOLOGY
ASSOCIATES, P.A., a Texas professional association ("SETCA"), SOUTHEAST TEXAS
CARDIOLOGY ASSOCIATES II, P.A., a Texas professional association ("SETCA II,
P.A."), SOUTHEAST TEXAS CARDIOLOGY ASSOCIATES II, L.L.P., a Texas Limited
Liability Partnership ("SETCA II, L.L.P."), RODOLFO SOTOLONGO, M. D.
("SOTOLONGO"), WAYNE MARGOLIS, M. D. ("MARGOLIS"), MICHAEL SMITH, M.D.
("SMITH"), MIGUEL CASTELLANOS, M.D. ("CASTELLANOS"), RAYTEL SOUTHEAST
MANAGEMENT, L.P., a Texas limited partnership ("RSM"), its corporate general
partner, RAYTEL TEXAS PHYSICIAN SERVICES, INC., a Delaware corporation ("RTPS"),
RAYTEL MANAGEMENT HOLDING, INC. ("RMH") Limited Partner of RSM, and RAYTEL
MEDICAL CORPORATION, a Delaware corporation ("RMC"), all collectively referred
to as the "Parties," and SOTOLONGO, MARGOLIS, SMITH and CASTELLANO are sometimes
referred to as the "Shareholders."

                                    RECITALS

        A. WHEREAS, the Parties have entered into certain agreements for the
sale and acquisition of and subsequent management and operation of a cardiology
medical practice principally located at 755 South 11th Street, Beaumont, Texas,
and 2693 North Street, Beaumont, Texas, with additional locations in Orange and
Port Arthur Texas (the "Practice"), and

        B. WHEREAS, the Parties have entered into certain agreements to manage
the cardiology Practice; and

        C. WHEREAS, the Parties have agreed to alter their arrangements in such
a way that they alter the management and control over the Practice and certain
business relationships among the parties hereto; and.

        D. WHEREAS, the Parties have agreed to (i) terminate those agreements
and arrangements on the terms and conditions set forth herein and (ii) to
transition all ownership, management and control over all aspects of the
Practice of SETCA, SETCA II, PA and SETCA II, L.L.P. referred to in A. above and
collectively herein referred to as the ("Practice"), and (iii)

<PAGE>   2

pursuant to and in connection therewith, simultaneously with the execution of
this Agreement certain parties to this Agreement are also entering into a Stock
Purchase Agreement dated May 31, 2000 (the "Stock Purchase Agreement"), between
RMC, RMH, RTPS and RTPS ACQUISITION COMPANY, L.L.C., a Texas limited liability
company (referred to as "Purchaser") pursuant to which Purchaser acquires and
purchases all of the stock of RTPS, and (iv) further in connection therewith
Purchaser is acquiring and assuming from RTPS a certain equipment lease and
office lease relating to a nuclear imaging facility in Orange, Texas.

        NOW, THEREFORE, in consideration of the promises, mutual covenants,
representations, warranties and conditions contained herein, the abandonment of
and waiver of their rights of the amounts and/or other assets that the Parties
would otherwise be entitled to receive, as described herein and other good and
valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, and intending to be legally bound hereby, the parties hereby
covenant and agree as follows:

                                    AGREEMENT

                                    ARTICLE I
       CANCELLATION OF MASTER TRANSACTION AGREEMENT AND RELATED AGREEMENTS

        1.1. Termination of Master Transaction Agreement and Related Agreements.

                (a) The parties agree that effective as of the Effective Date,
        the Master Transaction Agreement dated August 21, 1996, as amended by
        the First Amendment to the Master Transaction Agreement dated October 1,
        1997 and the Second Amendment to the Master Transaction Agreement dated
        December 3, 1999, together with all rights and obligations arising
        thereunder, and except as otherwise set forth herein, are terminated.

                (b) Effective as of the Effective Date, the Agreement and
        Covenant Not to Compete ("Noncompetition Agreement") among SETCA, the
        Shareholders, RMC, RTPS, and RSM dated September 18, 1996, and as
        thereafter amended together with all of the rights and obligations
        created by it, are terminated and are of no force or effect.

                (c) The Succession Agreement dated May, 1998 among SOTOLONGO,
        MARGOLIS, SMITH, and CASTELLANOS and SETCA II, P.A. and all rights,
        duties and obligations thereunder are terminated effective as of the
        Effective Date, including without limitation, the terms and provisions
        of the spousal guarantee contained therein.

                (d) The Parties expressly agree that the terms of the
        noncompetition clause set forth at Section 11 of the Succession
        Agreement are, effective as of the Effective Date, void and of no force
        or effect.

                                       2
<PAGE>   3

                (e) Effective as of the Effective Date, each of the Employment
        Agreements, between SOTOLONGO, MARGOLIS, SMITH, and CASTELLANOS,
        individually, and SETCA II, P.A., each dated September 18, 1996, are
        terminated.

                (f) The parties expressly agree that effective as of the
        Effective Date, the Covenant Not to Compete, contained in each of the
        above referenced Employment Agreements at Section 9, are void and of no
        force or effect.

                (g) The Parties expressly agree that the terms of the
        noncompetition clause and all rights, duties and obligations thereunder
        contained at Article IV of the Partnership Purchase Agreement and
        Assignment dated September 18, 1996 among RSM, SOTOLONGO, MARGOLIS,
        SMITH, and CASTELLANOS, are, effective as of the Effective Date, void
        and of no force or effect.

                (h) The Parties expressly agree that the terms of the
        noncompetition clause and all rights, duties and obligations thereunder
        contained at Article VIII of the Agreement for the Purchase and Sale of
        Assets dated September 18, 1996 among SETCA, SOTOLONGO, MARGOLIS, SMITH,
        RSM, RTPS and RMC, are, effective as of the Effective Date, void and of
        no force or effect.

        1.2. Cancellation of Promissory Notes. SOTOLONGO, MARGOLIS, SMITH and
CASTELLANOS (herein collectively referred to as the "Physicians") have
contributed to the Purchaser the Promissory Notes as described in Section
2.03(a) of the Master Transaction Agreement and pursuant to the Stock Purchase
Agreement the Purchaser has transferred the obligations secured by such
Promissory Notes to Raytel and such Promissory Notes are cancelled in the
transaction. The original principal amount of each Promissory Note is as
follows:

<TABLE>
<CAPTION>
        PHYSICIAN                    PRINCIPAL AMOUNT OF NOTE
        ---------                    ------------------------
<S>                                  <C>
        SOTOLONGO                    $686,631.00
        MARGOLIS                     $686,631.00
        SMITH                        $686,631.00
        CASTELLANOS                  $228,876.00
</TABLE>

        Raytel agrees that SOTOLONGO, MARGOLIS, SMITH and CASTELLANOS are
entitled to retain any and all interest amounts already paid on the Promissory
Notes. Raytel and RSM further agree that they shall have no right to assignment
of the Promissory Notes or to setoff against any amounts owed or otherwise paid
to SOTOLONGO, MARGOLIS, SMITH and/or CASTELLANOS except as otherwise set forth
herein.

        1.2. Right to Retain Cash Consideration. The Parties agree that
SOTOLONGO, MARGOLIS, SMITH and CASTELLANOS shall have the right to retain and
shall not be obligated to repay any portion of the cash consideration paid to
them by RMC pursuant to Section 2.03 (b) of the Master Transaction Agreement.
The amounts of such cash consideration are as follows:

                                       3
<PAGE>   4

<TABLE>
<CAPTION>
        PHYSICIAN                    CASH AMOUNT
        ---------                    -----------
<S>                                  <C>
        SOTOLONGO                    $1,144,384.00
        MARGOLIS                     $1,144,384.00
        SMITH                        $1,144,384.00
        CASTELLANOS                  $  381,462.00
</TABLE>

        1.3 Cancellation of Obligation to Deliver Common Stock. SOTOLONGO,
MARGOLIS, SMITH, and CASTELLANOS have contributed to the Purchaser their right
to receive the shares of RMC Common Stock pursuant to Section 2.03(c) of the
Master Transaction Agreement, and pursuant to the terms of the Stock Purchase
Agreement the Purchaser has cancelled Raytel's obligation to deliver and issue
such stock. Any stock already transferred shall be returned by SOTOLONGO,
MARGOLIS, SMITH, and CASTELLANOS.

        1.4 Related Agreements.

                (a) The parties acknowledge that it is presently RMC's intent to
terminate and to divest its present contractual arrangements to provide certain
cardiology management and imaging related services to the Baptist Hospital of
Southeast Texas through certain subsidiaries of RMC including but not limited to
Raytel Texas Hospital Management, Inc. ("RTHM"). The parties further agree that
effective as of the Effective Date SETCA II, P.A. or any of the Physicians or
the Practice may, in their discretion, offer and negotiate for the provision of
the same or similar services to the Baptist Hospital of Southeast Texas (and its
successor) and any such offer and negotiations, whether made now or prior to
this date, shall not be and shall not give rise to a cause of action against
SETCA II, P.A., any Practice, any Physician or any Shareholder on any grounds,
including but not limited to a claim for tortious interference with contract
rights or for breach of fiduciary duties or otherwise.

                (b) RMC agrees to liquidate RTHM and cancel all contractual
obligations therein, upon proof that Baptist Hospital will permit such
termination without penalty to RTHM.

                                   ARTICLE II
                  TERMINATION OF MANAGEMENT SERVICES AGREEMENT

        2.1 Management Services Agreement. The Management Services Agreement
dated September 18, 1996 between RTPS and RMS and SETCA II, P.A., as amended by
the First Amendment to the Management Services Agreement dated October 1, 1997
and as assigned to RSM is hereby terminated effective as of the Effective Date.

        2.2. Management Authority. Pursuant to the termination of the Management
Services Agreement, all obligations and authority of CMP and RSM to provide
management services to SETCA II, P.A. are terminated as of the Effective Date.

        2.3 Termination of Billing and Collection Services.

                                       4
<PAGE>   5

                (a) As of the Effective Date, RSM shall cease providing the
billing and collection related services as outlined in Section 4.8 of the
Management Services Agreement.

                (b) As of the Effective Date, the exclusive special power of
attorney granted to RSM by SETCA II, P.A. in connection with such billing and
collection services is terminated.

                (c) The Parties agree that they shall cooperate in finalizing
the transfer of the billing and collection functions of the Practice in an
efficient and timely manner to SETCA II, L.L.P. or to such other entity as the
Shareholders shall designate.

        2.4 Revocation of Power of Attorney. The Parties agree that the
exclusive power of attorney and appointment as agent and attorney-in-fact
granted by SETCA II, P.A. to RSM pursuant to Section 4.9 (a) of the Management
Services Agreement is hereby revoked as of the Effective Date.

        2.5. Control Over Medical Group Account. Effective as of the Effective
Date, SETCA II, L.L.P. shall have sole and exclusive control and discretion in
and to all Medical Group Account(s) of the Practice as referenced in Sections
4.8 and 4.9 of the Management Services Agreement and any other bank accounts
associated with the Management Services Agreement. Any "sweep" account or sweep
of that account is terminated as of the Effective Date.

        2.6. Termination of Obligation to Maintain Practice. Pursuant to the
termination of the Management Services Agreement, effective as of the Effective
Date, SETCA II, P.A.'s obligation to maintain a full-time cardiology practice in
the Practice Territory as set forth in Section 5.1 of the Management Services
Agreement is terminated.

        2.7. Noncompetition. The Parties expressly agree that the terms of the
noncompetition clause set forth at Section 5.8 of the Management Services
Agreement plus all other agreements are, effective as of the Effective Date,
void and of no force or effect.

        2.8. Termination of Obligation to Pay Fees. SETCA II, P.A.'s obligation
to pay and RMS authority to hold the RMS monthly management and performance
fees, if any, pursuant to Sections 6.1, 6.2, and 6.3 of the Management Services
Agreement is terminated as of the Effective Date and such fees shall no longer
be due or payable thereafter. Any unpaid and accrued fees and any other amounts
that may be due and owing by SETCA II, P.A. or any other party is hereby
terminated and released.

        2.10 Books and Records. SETCA II, L.L.P. shall retain all patient
records and files (including billing information and computer data) related to
the Practice.

                                   ARTICLE III

        Intentionally deleted.

                                       5
<PAGE>   6

                                   ARTICLE IV
                         REPRESENTATIONS AND WARRANTIES

        4.1. Representations and Warranties of Each Party. Without waiving or
modifying any representation or warranty made by a Party in the Stock Purchase
Agreement, each Party to this Agreement hereby represents and warrants to each
other Party hereto, on the date hereof and as of the Effective Date, as follows:

                (a) Standing. Each Party (except those Parties who are
individuals) is a duly organized legal entity, validly existing and in good
standing under the laws of the state in which incorporated and/or organized.

                (b) Corporate Authority. Each party has full corporate power and
authority to enter into this Agreement and to carry out the transactions
contemplated hereby. The Board of Directors, Board of Managers, shareholders,
and/or partners of each Party have taken all action required by law, by such
Party's Articles of Association and/or organization, and Bylaws, or otherwise,
to authorize the execution and delivery of this Agreement and such other
transaction documents as may be required hereunder and the consummation of the
transactions contemplated hereby.

                (c) Effect of This Agreement. Neither the execution and delivery
of this Agreement nor the consummation of the transactions set forth herein nor
compliance by any Party with any of the provisions hereof will violate, breach,
or, with the giving of notice or passage of time, constitute an event of default
(or give rise to any right of termination, cancellation or acceleration) under
any of the terms, conditions or provisions of any agreement or other instrument
or obligation of any Party hereto except for the requirement of consent or
waiver to such transactions by the other party to the agreement or instrument.

                (d) Compliance with Applicable Laws. No party has received any
notice of any violation of any law or order, writ, injunction or decree of any
court or Federal, state, municipal, or other governmental department,
commission, board, bureau, agency, or instrumentality (including without
limitation applicable laws and regulations regarding government contracting,
bribery and other prohibited foreign and domestic payment practices,
environmental protection, equal employment opportunity, civil rights, and
occupational safety and health).

                (e) Litigation and Investigations. Except as disclosed in
writing, each Party represents and warrants that there are no lawsuits,
proceedings, claims or governmental investigations pending, or known to be
threatened or contemplated, against such Party, at law or in equity, or before
or by any governmental department, commission, board, bureau, agency or
instrumentality, domestic or foreign, which, if determined adversely, could have
a material adverse effect on the Assets or the Practice or the ability of SETCA
II, L.L.P. to carry on the Practice following the Effective Date.

                (f) Tax Returns. Each party warrants that it has filed with the
appropriate state and federal governmental agencies all material tax returns and
tax reports required to be filed by

                                       6
<PAGE>   7

it and which pertain to the operations of the Practice and that such returns
have been lawfully filed and in all material respects are true and accurate.

                (g) Disclosure. No representation or warranty by any Party in
this Agreement contains or will contain any untrue statement of a material fact,
or omits to state a material fact necessary to make the statements not
misleading in light of the circumstances under which they were made.

                                    ARTICLE V
                                     CLOSING

        5.1. Closing. The consummation of the transactions contemplated
hereunder (the "Closing") shall take place simultaneously with the execution and
delivery of this Agreement and the Stock Purchase Agreement (the "Closing
Date"), but effective as of the Effective Date. The Closing shall take place
simultaneously at the offices of Orgain, Bell & Tucker, LLP, 470 Orleans,
Beaumont, Texas, and at the offices of Raytel, or at such other places as the
parties may mutually agree. The parties may close this Agreement at their
respective principal offices or at the offices of their attorneys and the
parties may exchange signature pages to this Agreement or to any document
executed in connection herewith by fax machine, and a faxed copy of a signature
page shall have the same force and effect as an original.

                                   ARTICLE VI
                   SURVIVAL OF REPRESENTATIONS AND WARRANTIES,
                       INDEMNIFICATION AND MUTUAL RELEASE

        6.1. Survival. The representations and warranties of the Parties
contained in this Agreement or in any certificate or instrument delivered
pursuant hereto shall survive the Closing Date for the period in which a claim
with respect thereto may be made, in accordance with the provisions of 6.3
hereto.

        6.2. Indemnity. Without waiving, limiting or modifying any indemnity
agreement contained in the Stock Purchase Agreement, the parties agree to the
following:

                (a) By RMC, RTPS, and RSM. Subject to the limitations set forth
in paragraph 6.3 hereto, RMC, RTPS, and RSM jointly and severally, indemnify,
defend, protect and hold SETCA, SETCA II, P.A., SETCA II, L.L.P., and each of
the Shareholders harmless from, and against, any and all claims, demands, suits,
actions, causes of action, losses, damages and liabilities (including but not
limited to claims or liabilities relating to environmental damage or claims by
Medicare, Medicaid, Health Care Finance Administration (including but not
limited to Title XVIII of the Social Security Act, codified at 42 U.S.C.A.
sections 1395-1395cc and Medicare regulations codified at 42 C.F.R. Parts
405-424, and 482-498), any insurance company,

                                       7
<PAGE>   8

managed care organization or other health care claims paying or claims
processing intermediary), including reasonable attorney's fees and litigation
expenses, arising from or on account of:

                        (1) any breach by RMC, RTPS, and/or RSM of this
Agreement or the Stock Purchase Agreement;

                        (2) any inaccuracy to, misrepresentation in or breach of
any of the warranties, representations, covenants or agreements made by RMC,
RTPS, and/or RSM herein; and

                        (3) RMC's, RTPS's, and/or RSM 's management of the
Practice and use and occupation of any premises in which the Practice is located
prior to the Closing Date, including, without limitation, any and all amounts
payable to local, state or federal tax authorities, claims made by creditors of
RMC, RTPS, and/or RSM and liability claims made with respect to the management
of the Practice by RMC prior to the Effective Date, except for liabilities
expressly assumed herein by SETCA II, L.L.P..

Notwithstanding the foregoing, the requirement set forth in Section 6.2(a) that
RMC, RTPS, and RSM jointly and severally, indemnify, defend, protect and hold
SETCA, SETCA II, P.A., SETCA II, L.L.P., and each of the Shareholders harmless
from, and against, any and all claims, demands, suits, actions, causes of
action, losses, damages and liabilities(including but not limited to claims or
liabilities relating to environmental damage or claims by Medicare, Medicaid,
Health Care Finance Administration (including but not limited to Title XVIII of
the Social Security Act, codified at 42 U.S.C.A. sections 1395-1395cc and
Medicare regulations codified at 42 C.F.R. Parts 405-424, and 482-498), any
insurance company, managed care organization or other health care claims paying
or claims processing intermediary shall not apply in the event the claim was
submitted by RMC, RTPS or RSM based upon incorrect or erroneous information
suplied by SETCA, SETCA II, P.A., SETCA II, L.L.P., or any of the Shareholders.

                (b) By SETCA, SETCA II, P.A, SETCA II, L.L.P., and Each
Shareholder. Subject to the limitations set forth in Section 6.3 hereto, SETCA,
SETCA, II, P.A., SETCA II, L.L.P., and/or each Shareholder indemnify, defend,
protect, and hold RMC, RTPS, and/or RSM harmless from and against any and all
claims, demands and liabilities, including reasonable attorneys' fees, arising
from or on account of:

                        (1) SETCA's, SETCA, II, P.A.'s, SETCA II, L.L.P.'s,
and/or each Shareholder's operation of the Practice or the use and occupation of
the premises in which the Practice is located on or after the Closing, including
without limitation any and all amounts payable to local, state or federal tax
authorities, claims made by creditors of SETCA, SETCA, II, P.A., SETCA II,
L.L.P., and/or each Shareholder and liability claims made with respect to the
conduct of the Practice by SETCA, SETCA, II, P.A., SETCA II, L.L.P., and/or each
Shareholder following the Effective Date;

                        (2) any breach by SETCA, SETCA, II, P.A., SETCA II,
L.L.P., and/or each Shareholder of this Agreement or the Stock Purchase
Agreement; and

                                       8
<PAGE>   9

                        (3) any inaccuracy to, misrepresentation in, or breach
of any of the warranties, representations, covenants or agreements made by
SETCA, SETCA, II, P.A., SETCA II, L.L.P., and/or each Shareholder herein.

        6.3. Limits to Indemnity. Notwithstanding the provisions of this Article
VI, or any other provisions set forth in this Agreement or in any document
delivered hereunder.

                (a) Any claim for indemnification made pursuant to paragraph 6.2
above must be made in writing to the Party against which/whom indemnification is
sought during the twelve (12) month period following the Effective Date, unless
and to the extent that such claim relates to a claim or liability relating to
environmental damage or claims by Medicare, Medicaid or the Health Care Finance
Administration or any insurance company, managed care organization or other
health care claims paying or claims processing intermediary (collectively,
"Environmental or Medicare Claims"), which Environmental or Medicare Claims must
be made, if at all, in writing within three (3) years following the Effective
Date.

                (b) A Party shall be entitled to indemnification (i) only in the
event that all such claims exceed $500, and then only with respect to the excess
above $500 and (ii) only in an amount, in the aggregate not exceeding
$5,000,000, unless and to the extent that a claim is an Environmental or
Medicare Claim, in which case such Party's or Parties' aggregate liability for
all such Environmental or Medicare Claims shall be unlimited.

        6.4 Mutual Release.

        For and in consideration of this Agreement and the covenants and
releases made herein, the sufficiency of which consideration is hereby
acknowledged and confessed, RTPS, RMH and Raytel Medical Corporation (herein
collectively referred to as the "Raytel Related Parties"), individually and
collectively, have ACQUITTED, RELEASED AND FOREVER DISCHARGED, and by these
presents do for themselves and for and on behalf of their respective parent and
affiliated companies, successors, assigns, hereby ACQUIT, RELEASE AND FOREVER
DISCHARGE SETCA, SETCA II, P.A., SETCA II, L.L.P, Sotolongo, Margolis, Smith,
Castellanos, the spouses of the Shareholders, and all other physicians who are
associated with SETCA (herein referred to colletively as the "SETCA Related
Parties") of and from any and all claims, demands, debts, liens, causes of
action, damages or liabilities, at law or in equity, either in contract or in
tort, as well as any other character or kind of action, known and unknown, now
held or owned by the Raytel Related Parties or any of them, in whole or in part,
which any or all of Raytel Related Parties may now have or may hereafter claim
to hold or possess, on account of, growing out of, related to or concerning,
whether directly or indirectly, proximately or remotely, the Master Transaction
Agreement, the Management Services Agreement, the Noncompetition Agreement, the
Succession Agreement, the Partnership Purchase Agreement, the Agreement for the
Purchase and Sale of Assets and all related agreements entered into between any
of the Raytel Related Parties and the SETCA Related Parties (herein referred to
collectively as the "Transaction Agreements"), or otherwise arising from the
dealings between the parties in connection with the Transaction Agreements;

                                       9
<PAGE>   10

PROVIDED, HOWEVER, this release and discharge shall not release any of the terms
and provisions of this Agreement, the Stock Purchase Agreement and the Asset
Purchase and Conveyance Agreement and any other closing documents executed in
connection therewith.

        Likewise, for and in consideration of this Agreement and the covenants
and releases made herein, the sufficiency of which consideration is hereby
acknowledged and confessed, the SETCA Related Parties, individually and
collectively, have ACQUITTED, RELEASED AND FOREVER DISCHARGED, and by these
presents do for themselves and for and on behalf of their respective parent and
affiliated companies, successors, assigns, hereby ACQUIT, RELEASE AND FOREVER
DISCHARGE the Raytel Related Parties of and from any and all claims, demands,
debts, liens, causes of action, damages or liabilities, at law or in equity,
either in contract or in tort, as well as any other character or kind of action,
known and unknown, now held or owned by the SETCA Related Parties or any of
them, in whole or in part, which any or all of SETCA Related Parties may now
have or may hereafter claim to hold or possess, on account of, growing out of,
related to or concerning, whether directly or indirectly, proximately or
remotely, the Transaction Agreements and all related agreements entered into
between any of the Raytel Related Parties and the SETCA Related Parties or
otherwise arising from the dealings between the parties in connection with the
Transaction Agreements; PROVIDED, HOWEVER, this release and discharge shall not
release any of the terms and provisions of this Agreement, the Stock Purchase
Agreement and the Asset Purchase and Conveyance Agreement and any other closing
documents executed in connection therewith.

        It is understood and agreed that this is a FULL AND COMPLETE MUTUAL AND
GENERAL RELEASE, and includes all claims of any kind or character, including by
way of illustration, but not by way of limitation, actual damages sustained by
any of Raytel Related Parties or any of the SETCA Related Parties, damages for
breach of any of the Transaction Agreements or for breach of any oral or written
contract, damages and claims for fraud and conversion, damages recoverable under
the Texas Deceptive Trade Practices Act, damages for mental anguish, damages for
fraud or fraudulent inducement, damages for misrepresentation, damages
recoverable under any federal or state securities law statute, exemplary
damages, property damages, damages for lost profits, consequential damages,
attorney's fees, and any other type of damages, including any claim for damages
to accrue in the future from any cause, whether known or anticipated at this
time or otherwise, and regardless of whether specified within the categories
enumerated above. It is the intention of the parties in executing this Agreement
and the releases made herein that the same shall be as general as possible, and
that the same shall cover every conceivable contingency which might arise in the
future, or which may have arisen in the past, whether known or unknown at this
time, BUT EXCLUDING any claims that may arise under or pursuant to this
Agreement.

        6.5 No Disparaging Remarks. All parties to this Agreement further agree
that no party shall make any type of oral or written statement, comment,
allegation or other communication of any type that disparages or that may tend
to disparage the reputation of any other party to this Agreement.

                                       10
<PAGE>   11

                                   ARTICLE VII
                               GENERAL PROVISIONS

        7.1. Miscellaneous.

                (a) Recitals. The Recitals set forth at the beginning of this
Agreement are incorporated into and make a part of the body of this Agreement;

                (b) Amendments. No amendments or additions to this Agreement
shall be binding unless in writing and signed by all Parties;

                (c) Waiver. Each Party, may, by written notice to the other
Parties:

                        (1) waive any of the conditions to its obligations
hereunder or extend the time for the performance of any obligation or action of
the other(s);

                        (2) waive any inaccuracies in the representations of the
other contained in this Agreement or in any documents delivered pursuant to this
Agreement;

                        (3) waive compliance with any of the covenants of the
other contained in this Agreement; or

                        (4) waive or modify performance of any of the
obligations of the other.

        No action taken pursuant to this Agreement, including without limitation
any investigation by or on behalf of either party, shall be deemed to constitute
a waiver by the party taking such action of compliance with any representations,
warranty, condition or agreement contained herein. Waiver of the breach of any
one or more provisions of this Agreement shall not be deemed or construed to be
a waiver of other breaches or subsequent breaches of the same provision.

                (e) Binding Effect. This Agreement shall be binding upon and
shall inure to the benefit of the Parties hereto and their respective
successors, assigns, heirs and personal representatives. No Party may assign or
transfer any rights or obligations under this Agreement without the prior
written consent of the other Party.

                (f) Notices. All notices and other communications provided for
in this Agreement shall be given or made by telex, telecopy, telegraph, cable,
certified or registered mail (return receipt requested), or delivered personally
or by a nationally recognized overnight courier service to the address set forth
below (or such other address as may be designated by any method permitted by
this Paragraph). All such communications shall be deemed to have been duly given
when transmitted by telex or telecopier (if a copy thereof is also mailed to the
recipient, certified or

                                       11
<PAGE>   12

registered mail, postage paid), or personally delivered or delivered by cable,
telegraph, or nationally overnight courier service, or five (5) calendar days
after mailing, postage prepaid, to the address set forth below.

If to SETCA, SETCA II, P.A.,
SETCA II, L.L.P. and/or the         SOUTHEAST TEXAS CARDIOLOGY
Shareholders:                       ASSOCIATES II, L.L.P.
                                    2693 North Street
                                    Beaumont, TX 77701
                                    Attn: Rodolfo Sotolongo, M. D.,
                                    Managing Partner

With Copy to:                       ORGAIN, BELL & TUCKER, L.L.P.
                                    470 Orleans Street
                                    Beaumont, TX 77701
                                    Attn: John Creighton, Esq.
                                    Lance J. Fox, Esq.

                                    and

If to RMC, RTPS, and RSM:           RAYTEL MEDICAL CORPORATION, INC.
                                    2755 Campus Drive, Suite 200
                                    San Mateo, California  94403
                                    Attn: Richard F. Bader
                                          Chairman and Chief Executive Officer

                (g) Paragraph Headings. The paragraph headings used in this
Agreement are included solely for the convenience of the parties and shall not
affect or be used in connection with the interpretation of this Agreement.

                (h) Severability. In the event any provision or portion of a
provision of this Agreement is held to be invalid, void or unenforceable, the
rest of the Agreement shall, nonetheless, remain in full force and effect and
shall in no way be affected, impaired, or invalidated.

                (i) Entire Agreement. This Agreement, the Stock Purchase
Agreement, the Asset Purchase and Conveyance Agreement and the closing documents
executed in connection herewith constitutes the entire agreement between the
parties and supersedes all prior understandings, previous negotiations, and any
memoranda or understanding with respect to the subject matter hereof.

                (j) No Strict Construction. The language used in this Agreement
shall be deemed to be the language chosen by the Parties hereto to express their
mutual intent, and no rule of strict construction will be applied against any
person.

                                       12
<PAGE>   13

                (k) Counterparts. This Agreement may be executed in any number
of identical counterparts, each of which shall be deemed to be an original, and
all of which together shall be deemed to be one and the same instrument when
each Party has signed one such counterpart.

                (l) Exhibits. All exhibits attached to this Agreement are
incorporated herein by reference.

        IN WITNESS WHEREOF, the parties have executed this Agreement effective
as of NOVEMBER 10, 1999.

SETCA, P.A.:                               RSM:

SOUTHEAST TEXAS CARDIOLOGY ASSOCIATES,     RAYTEL SOUTHEAST MANAGEMENT, L.P.,
P.A., a Texas professional corporation     a Texas limited partnership

By: /s/ Rodolfo Sotolongo, M.D.            By: /s/ Richard F. Bader
   ---------------------------------------    ----------------------------------
   Rodolfo Sotolongo, M. D.                   Richard F. Bader
Its: President and Chief Executive Officer    RAYTEL TEXAS PHYSICIAN
                                              SERVICES, INC., a Delaware
                                              corporation (the "General
                                              Partner")
                                              Its: Chairman and Chief Executive
                                              Officer

SETCA II, P.A.                             RMC:

SOUTHEAST TEXAS CARDIOLOGY ASSOCIATES II,  RAYTEL MEDICAL CORPORATION,
P.A., a Texas professional corporation     a Delaware corporation

By: /s/ Rodolfo Sotolongo, M.D.            By: /s/ Richard F. Bader
   ---------------------------------------    ----------------------------------
   Rodolfo Sotolongo, M. D.                   Richard F. Bader
Its: President and Chief Executive Officer    Its: Chairman and Chief Executive
                                                   Officer

SETCA II, L.L.P

SOUTHEAST TEXAS CARDIOLOGY ASSOCIATES II,
L.L.P., a Texas limited liability partnership

By: /s/ Rodolfo Sotolongo, M.D.
   ---------------------------------------
   Rodolfo Sotolongo, M. D.
Its: President and Chief Executive Officer

<PAGE>   14

PARTNERS:

RODOLFO P. SOTOLONGO, M.D., P.A.

By: /s/ Rodolfo Sotolonog, M.D.
   -----------------------------------------
   Rodolfo P. Sotolongo, M.D., President

/s/ Rodolfo Sotolonog, M.D.
--------------------------------------------
RODOLFO P. SOTOLONGO, M.D., individually

WAYNE S. MARGOLIS, M.D., P.A.

By: /s/ Wayne S. Margolis, M.D.
   -----------------------------------------
   Wayne S. Margolis, M.D., President

/s/ Wayne S. Margolis, M.D.
--------------------------------------------
WAYNE S. MARGOLIS, M.D., individually

MICHAEL SMITH, M.D., P.A.

By: /s/ Michael Smith, M.D.
   -----------------------------------------
   Michael Smith, M.D., President

/s/ Michael Smith, M.D.
--------------------------------------------
MICHAEL SMITH, M.D., individually

MIGUEL CASTELLANOS, M.D., P.A.

By: /s/ Miguel Castellanos, M.D.
   -----------------------------------------
   Miguel Castellanos, M.D., President

/s/ Miguel Castellanos, M.D.
--------------------------------------------
MIGUEL CASTELLANOS, M.D., individually

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