Document:

<PAGE>

                                                                     EXHIBIT 4.1

                      THIRD AMENDMENT TO FIFTH AMENDED AND
                       RESTATED REVOLVING CREDIT AGREEMENT

      This Third Amendment to the Fifth Amended and Restated Revolving Credit
Agreement (this "Amendment") is made as of January 13, 2005, by and among
Developers Diversified Realty Corporation, a corporation organized under the
laws of the State of Ohio (the "Borrower"), JPMorgan Chase Bank, N.A. (successor
by merger to Bank One, NA (main office, Chicago, Illinois)), and the several
banks, financial institutions and other entities from time to time parties to
this Amendment (the "Lenders"), and JPMorgan Chase Bank, N.A., not individually,
but as "Administrative Agent."

                                 R E C I T A L S

      A. Borrower, Administrative Agent, certain of the Lenders and former
lenders have entered into a Fifth Amended and Restated Credit Agreement dated as
of December 12, 2003, as previously amended as of May 13, 2004 and July 27, 2004
(as further amended, the "Credit Agreement"). All capitalized terms used herein
and not otherwise defined shall have the meanings given to them in the Credit
Agreement.

      B. Pursuant to the terms of the Credit Agreement, the Lenders have agreed
to provide a revolving credit facility to Borrower in an aggregate principal
amount of up to $1,000,000,000 (the "Facility"). The Borrower, the
Administrative Agent and the Lenders now desire to amend the Credit Agreement in
order to, among other things allow additional qualified entities to borrow and
receive Advances under the Facility.

      NOW, THEREFORE, in consideration of the foregoing Recitals and for other
good and valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto agree as follows:

                                   AGREEMENTS

      1. The foregoing Recitals to this Amendment hereby are incorporated into
and made part of this Amendment.

      2. The following definitions have been added to Article I of the Credit
Agreement as follows:

      "Qualified Borrower" means DDR PR Ventures LLC, S.E. and any other
      Wholly-Owned Subsidiary of Borrower, the Indebtedness of which, in all
      cases, shall be guaranteed by the Borrower.

      "Qualified Borrower Guaranty" means a full and unconditional guaranty of
      payment in the form of Exhibit A attached hereto, enforceable against
      Borrower for the payment of a Qualified Borrower's debt or obligation to
      the Lenders pursuant to this Agreement.

      "Qualified Borrower Note" means a promissory note, in substantially the
      same form of Exhibit B hereto, duly executed by the Qualified Borrower and
      payable to the order of a

<PAGE>

      Lender in the amount of its Commitment, including any amendment,
      modification renewal or replacement of such promissory note.

      3. From and after the Effective Date (as defined in Section 8 of this
Amendment), a Qualified Borrower shall have the right to request Advances,
subject to all of the same terms and conditions as are applicable to the
Borrower provided that Borrower gives Administrative Agent thirty days prior
notice of its intention to have a Qualified Borrower other than DDR PR Ventures
LLC, S.E.. Following receipt of such a notice, Administrative Agent agrees to
promptly notify the Lenders of Borrower's intention to have an additional
Qualified Borrower. As a condition to any Advance to a Qualified Borrower
(including DDR PR Ventures LLC, S.E.) such Qualified Borrower shall have
executed and delivered a Qualified Borrower Note to each of the Lenders, and
Borrower shall have executed and delivered a Qualified Borrower Guaranty
relating to amounts to be borrowed by such Qualified Borrower, and
Administrative Agent shall have received the items specified in Schedule 1
attached hereto with respect to such Qualified Borrower. If an Advance is
requested by a Qualified Borrower, the Credit Agreement shall be deemed modified
such that at any place where the term "Borrower" currently appears, such
provision shall be modified to also include and apply to any such Qualified
Borrower, as the context may require, and any reference to a "Note" shall
include and apply to any Qualified Borrower Note, as the context may require.

      4. Any Notes previously delivered by the Borrower to the Lenders shall be
deemed to evidence only the Obligations of Borrower to the Lenders and those
Notes shall not be deemed modified in any way by this Amendment. Further, from
and after the Effective Date, any Notes issued by the Borrower to any new
Lenders will be Notes representing only the Obligations of Borrower to the
Lenders.

      5. If a Qualified Borrower issues any Qualified Borrower Notes to the
Lenders or New Lenders, such Qualified Borrower shall automatically become a
party to the Credit Agreement and be bound by the covenants contained therein
(other then the covenants contained in Section 6.10). DDR PR Ventures LLC, S.E.
is hereby added as a party to the Credit Agreement on the date hereof.

      6. The Borrower and any Qualified Borrower which is a party hereto, hereby
represent and warrant that as of the Effective Date there is no Default or
Unmatured Default, the representations and warranties contained in Article V of
the Credit Agreement are true and correct in all material respects as of such
date and the Borrower and each Qualified Borrower have no offsets or claims
against any of the Lenders. DDR PR Ventures LLC, S.E. hereby represents and
warrants that it has full power and authority to become a borrower under the
Credit Agreement and to execute the Qualified Borrower Note to be delivered by
it.

      7. Except as specifically modified hereby, the Credit Agreement is and
remains unmodified and in full force and effect and is hereby ratified and
confirmed. All references in the Loan Documents to the "Credit Agreement"
henceforth shall be deemed to refer to the Credit Agreement as amended by this
Amendment.

      8. The "Effective Date" shall be the date on which all of the following
conditions shall have been fulfilled:

                                     - 2 -
<PAGE>

            (a)   No Unmatured Default or Default then exists.

            (b)   This Amendment shall have been executed by Borrower,
                  Administrative Agent, and the Required Lenders.

            (c)   Each of the Subsidiary Guarantors shall have executed an
                  Amendment to the Subsidiary Guaranty pursuant to which they
                  consent to this Amendment and agree that the Subsidiary
                  Guaranty covers all borrowings by a Qualified Borrower.

            (d)   The representations and warranties set forth in Paragraph 6
                  shall be true and correct as of such date.

      9. The Borrower agrees to reimburse the Administrative Agent for all
reasonable out-of-pocket expenses (including legal fees and expenses) incurred
in connection with the preparation, negotiation and consummation of this
Amendment.

      10. This Amendment may be executed in any number of counterparts, all of
which taken together shall constitute one agreement, and any of the parties
hereto may execute this Amendment by signing any such counterpart. This
Amendment shall be construed in accordance with the internal laws (and not the
law of conflicts) of the State of Illinois, but giving effect to federal laws
applicable to national banks.

                  [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK.]

                                     - 3 -
<PAGE>

      IN WITNESS WHEREOF, the parties have executed and delivered this Amendment
as of the date first written above.

                                    DEVELOPERS DIVERSIFIED REALTY CORPORATION

                                    By: /s/ WILLIAM H. SCHAFER
                                       -----------------------------------------
                                    Print Name: William H. Schafer
                                    Title: Senior Vice President and CFO

                                    3300 Enterprise Parkway
                                    Beachwood, Ohio 44122
                                    Phone: 216/755-5506
                                    Facsimile: 216/755-1506
                                    Attention: Scott A. Wolstein

                                    DDR PR VENTURES LLC, S.E.

                                    By: /s/ DAVID E. WEISS
                                       -----------------------------------------
                                    Print Name: David E. Weiss
                                    Title: Vice President

                                      S-1
<PAGE>

                                    JPMorgan Chase Bank, N.A. (successor by
                                    merger to Bank One, NA (main office
                                    Chicago)) Individually and as Administrative
                                    Agent

                                    By: /s/ TIMOTHY CAREW
                                       -----------------------------------------
                                    Print Name: Timothy Carew
                                    Title: Director, Capital Markets

                                    1 Bank One Plaza, IL 1-0315
                                    Chicago, Illinois 60670
                                    Phone: 312/325-3114
                                    Facsimile: 312/325-3122
                                    Attention: Large Corporate Real Estate

                                      S-2
<PAGE>

                                    BANK OF AMERICA, N.A.,
                                    Individually and as Syndication Agent

                                    By: /s/ MICHAEL W. EDWARDS
                                       -----------------------------------------
                                    Print Name: Michael W. Edwards
                                    Title: Senior Vice President

                                    231 South LaSalle Street
                                    IL1-231-10-35
                                    Chicago, IL 60604
                                    Phone: 312/828-5175
                                    Facsimile: 312/974-4970
                                    Attention: Mr. Michael W. Edwards

                                    FLEET NATIONAL BANK
                                    Individually and as Documentation Agent

                                    By: /s/ MICHAEL W. EDWARDS
                                       -----------------------------------------
                                    Print Name: Michael W. Edwards
                                    Title: Senior Vice President

                                    231 South LaSalle Street
                                    IL1-231-10-35
                                    Chicago, IL 60604
                                    Phone: 312/828-5175
                                    Facsimile: 312/974-4970
                                    Attention: Mr. Michael W. Edwards

                                      S-3
<PAGE>

                                    COMMERZBANK AG,
                                    Individually and as Documentation Agent

                                    By: /s/ CHRISTIAN BERRY
                                       -----------------------------------------
                                    Print Name: Christian Berry
                                    Title: Vice President

                                    and by:

                                    By: /s/ JAMES BRETT
                                       -----------------------------------------
                                    Print Name: James Brett
                                    Title: Asst Treasurer

                                    2 World Financial Center
                                    New York, NY 10281-1050
                                    Phone: 212/400-7569
                                    Facsimile: 212/266-7565
                                    Attention: Mr. Douglas Traynor

                                      S-4
<PAGE>

                                    WACHOVIA BANK, NA.,
                                    Individually and as Documentation Agent

                                    By: /s/ CATHY A. CASEY
                                       -----------------------------------------
                                    Print Name: Cathy A. Casey
                                    Title: Director

                                    Mail Code NC-0172, 16th Floor
                                    301 S. College Street
                                    Charlotte, NC 28288
                                    Phone: 704/383-6506
                                    Facsimile: 704/383-6205
                                    Attention: Mr. Matt Ricketts

                                      S-5
<PAGE>

                                    WELLS FARGO BANK, N.A.,
                                    Real Estate Finance Group,
                                    Individually and as Documentation Agent

                                    By: /s/ SCOTT S. SOLIS
                                       -----------------------------------------
                                    Print Name: Scott S. Solis
                                    Title: Vice President

                                    123 North Wacker Drive
                                    Suite 1900
                                    Chicago, IL 60606
                                    Phone: 312/269-4818
                                    Facsimile: 312/782-0969
                                    Attention: Mr. Scott Solis

                                      S-6
<PAGE>

                                    US BANK N.A.,
                                    Individually and as Managing Agent

                                    By:_________________________________________
                                    Print Name: Mark O. Conzelmann
                                    Title: Assistant Vice President

                                    1350 Euclid Avenue
                                    Cleveland, OH 44115
                                    Phone: 216/623-9210
                                    Facsimile: 216/241-0164
                                    Attention: Mr. Mark Conzelmann

                                      S-7
<PAGE>

                                    DEUTSCHE BANK TRUST COMPANY AMERICAS
                                    Individually and as Co-Agent

                                    By: /s/ STEVEN P. LAPHAM
                                       -----------------------------------------
                                    Print Name: Steven P. Lapham
                                    Title: Managing Director

                                    200 Crescent Court
                                    Suite 550
                                    Dallas, Texas 75201
                                    Phone: 214-740-7913
                                    Facsimile: 214-740-7910
                                    Attention: Mr. Gerry Dupont

                                      S-8
<PAGE>

                                    EUROHYPO AG, NEW YORK BRANCH
                                    Individually and as Co-Agent

                                    By: /s/ BEN J. MARCIANO
                                       -----------------------------------------
                                    Print Name: Ben J. Marciano
                                    Title: Managing Director

                                    By: /s/ STEPHEN COX
                                       -----------------------------------------
                                    Print Name: Stephen Cox
                                    Title: Vice President

                                    123 North Wacker Drive
                                    Suite 2300
                                    Chicago, IL 60606
                                    Phone: 312-267-8868
                                    Facsimile: 312-267-8875
                                    Attention: Maureen Slentz

                                      S-9
<PAGE>

                                    ING Real Estate Finance (USA) LLC
                                    Individually and as Co-Agent

                                    By: /s/ DAVID A. MAZUJIAN
                                       -----------------------------------------
                                    Print Name: David A. Mazujian
                                    Title: Managing Director

                                    230 Park Avenue, 12th Floor
                                    New York, NY 10169
                                    Phone: 212/883-2620
                                    Facsimile: 212/883-2734
                                    Attention: Mr. David Mazujian

                                     S-10
<PAGE>

                                    MORGAN STANLEY BANK
                                    Individually and as Co-Agent

                                    By: /s/ DANIEL TWENGE
                                       -----------------------------------------
                                    Print Name: Daniel Twenge
                                    Title: Vice President

                                    1633 Broadway
                                    25th Floor
                                    New York, NY 10019
                                    Phone: 212-537-1532 / 2484
                                    Facsimile: 212-537-1867 / 1866
                                    Attention: Erna Dell'aquila / Edward Henley

                                     S-11
<PAGE>

                                    PNC BANK, NATIONAL ASSOCIATION
                                    Individually and as Co-Agent

                                    By: /s/ MICHAEL E. SMITH
                                       -----------------------------------------
                                    Print Name: Michael E. Smith
                                    Title: Senior Vice President

                                    One PNC Plaza
                                    249 Fifth Avenue, P1-POPP-19-2
                                    Pittsburgh, PA 15222
                                    Phone: 412/768-9135
                                    Facsimile: 412/762-6500
                                    Attention: Mr. Michael Smith

                                     S-12
<PAGE>

                                    THE BANK OF NOVA SCOTIA, NEW YORK AGENCY

                                    By: /s/ R.H. BOESE
                                       -----------------------------------------
                                    Print Name: R.H. Boese
                                    Title: Managing Director

                                    One Liberty Plaza
                                    New York, NY 10006
                                    Phone: 212-225-5170
                                    Facsimile: 212-225-5166
                                    Attention: Neil Crawford

                                     S-13
<PAGE>

                                    ALLIED IRISH BANKS, P.L.C.
                                    New York Branch

                                    By: /s/ ANTHONY O'REILLY
                                       -----------------------------------------
                                    Print Name: Anthony O'Reilly
                                    Title: Vice President

                                    405 Park Avenue
                                    New York, NY 10022
                                    Phone: 212/515-6847
                                    Facsimile: 212/339-8325
                                    Attention: Mr. Anthony O'Reilly

                                    By: /s/ DENISE MAGYER
                                       -----------------------------------------
                                    Print Name: Denise Magyer
                                    Title: Vice President

                                    405 Park Avenue
                                    New York, NY 10022
                                    Phone: 212/515-6847
                                    Facsimile: 212/339-8325
                                    Attention: Ms. Denise Magyer

                                     S-14
<PAGE>

                                    AM SOUTH BANK

                                    By: /s/ ROBERT BLAIR
                                       -----------------------------------------
                                    Print Name: Robert Blair
                                    Title: Vice President

                                    1900 Fifth Avenue North
                                    Birmingham, AL 35203
                                    Phone: 205/326-4071
                                    Facsimile: 205/326-4075
                                    Attention: Mr. Robert Blair

                                     S-15
<PAGE>

                                    COMPASS BANK

                                    By: /s/ JOHANNA DUKE PALEY
                                       -----------------------------------------
                                    Print Name: Johanna Duke Paley
                                    Title: Senior Vice President

                                    15 South 20th Street
                                    15th Floor
                                    Birmingham, AL 35233
                                    Phone: 205/297-3851
                                    Facsimile: 205/297-7994
                                    Attention: Ms. Johanna Duke Paley

                                      S-16
<PAGE>

                                    CITICORP NORTH AMERICA, INC.

                                    By: /s/ BLAKE R. GRONICH
                                       -----------------------------------------
                                    Print Name: Blake R. Gronich
                                    Title: Vice President

                                    390 Greenwich Street, Floor 1
                                    New York, NY 10013
                                    Phone: 212/723-6789
                                    Facsimile: 212/723-8547
                                    Attention: Mr. Blake Gronich

                                      S-17
<PAGE>

                                    ERSTE BANK

                                    By: /s/ GREGORY T. APTMAN
                                       -----------------------------------------
                                    Print Name: Gregory T. Aptman
                                    Title: Vice President

                                    By: /s/ BRYAN LYNCH
                                       -----------------------------------------
                                    Print Name: Bryan Lynch
                                    Title: First Vice President

                                    280 Park Avenue
                                    West Building
                                    New York, NY 10017
                                    Phone: 212/984-5638
                                    Facsimile: 212/984-5627
                                    Attention: Mr. Gregory Aptman

                                      S-18
<PAGE>

                                    THE HUNTINGTON NATIONAL BANK

                                    By: /s/ SUZANNE HAMILTON
                                       -----------------------------------------
                                    Print Name: Suzanne Hamilton
                                    Title: Vice President

                                    917 Euclid Avenue
                                    Cleveland, OH 44115
                                    Phone: 216/515-0683
                                    Facsimile: 216/515-6369
                                    Attention: Mr. Richard Goss

                                      S-19
<PAGE>

                                    LA SALLE BANK, N.A.

                                    By: /s/ ROBERT E. GOECKEL
                                       -----------------------------------------
                                    Print Name: Robert E. Goeckel
                                    Title: AVP

                                    135 South LaSalle Street
                                    Suite 1225
                                    Chicago, IL 60603
                                    Phone: 312/904-4705
                                    Facsimile: 312/904-6691
                                    Attention: Mr. Robert Goeckel

                                      S-20
<PAGE>

                                    LEHMAN COMMERCIAL PAPER INC.

                                    By: /s/ Francis X. Gilhool
                                       -----------------------------------------
                                    Print Name: Francis X. Gilhool
                                    Title: Authorized Signatory

                                    399 Park Ave., 8th Floor
                                    New York, NY 10022
                                    Phone: 212/526-5153
                                    Facsimile: 646-758-4672
                                    Attention: Mr. Tom Buffa

                                      S-21
<PAGE>

                                    MELLON BANK, N.A.

                                    By: /s/ STEVEN R. RICHARD
                                       -----------------------------------------
                                    Print Name: Steven R. Richard
                                    Title: Senior Vice President

                                    Suite 5325
                                    One Mellon Center
                                    Pittsburgh, PA 15258-0001
                                    Phone: 412/234-9625
                                    Facsimile: 412/234-8657
                                    Attention: Mr. Thomas Greulich

                                      S-22
<PAGE>

                                    THE NORTHERN TRUST COMPANY

                                    By: /s/ ROBERT R. WIARDA
                                       -----------------------------------------
                                    Print Name: Robert R. Wiarda
                                    Title: Vice President

                                    50 South LaSalle Street
                                    Chicago, IL 60675
                                    Phone: 312/444-3380
                                    Facsimile: 312/444-7028
                                    Attention: Mr. Robert Wiarda

                                      S-23
<PAGE>

                                    SOUTHTRUST BANK

                                    By: /s/ CATHY A. CASEY
                                       -----------------------------------------
                                    Print Name: Cathy A. Casey
                                    Title: Director

                                    301 S. College Street, 16th Floor
                                    NC 0172
                                    Charlotte, NC 28288
                                    Phone: 404/532-5262
                                    Facsimile: 404/532-5280
                                    Attention: Mr. Matt Ricketts

                                      S-24
<PAGE>

                                    SUMITOMO MITSUI BANKING CORPORATION

                                    By: /s/ WILLIAM M. GINN
                                       -----------------------------------------
                                    Print Name: William M. Ginn
                                    Title: General Manager

                                    277 Park Avenue
                                    New York, NY 10172
                                    Phone: 212-224-4178
                                    Facsimile: 212-224-4887
                                    Attention: Charles J. Sullivan

                                      S-25
<PAGE>

                                    SUNTRUST BANK

                                    By: /s/ NANCY B. RICHARDS
                                       -----------------------------------------
                                    Print Name: Nancy B. Richards
                                    Title: Vice President

                                    8330 Boone Boulevard, 8th Floor
                                    Vienna, VA 22182
                                    Phone: 703/442-1557
                                    Facsimile: 703/442-1570
                                    Attention: Ms. Nancy Richards

                                      S-26
<PAGE>

                                    UBS Loan Finance LLC

                                    By: /s/ WINSLOWE OGBOURNE
                                       -----------------------------------------
                                    Print Name: Winslowe Ogbourne
                                    Title: Associate Director
                                           Banking Products Services, U.S.

                                    By: /s/ BARBARA EZELL-McMICHAEL
                                       -----------------------------------------
                                    Print Name: Barbara Ezell-McMichael
                                    Title: Associate Director
                                           Banking Products Services, U.S.

                                    677 Washington Boulevard
                                    Stamford, CT 06901
                                    Phone: 203-719-3845
                                    Facsimile: 203-719-3888
                                    Attention: Christopher Aitkin

                                      S-27
<PAGE>

                                    COMERICA BANK

                                    By: /s/ JAMES GRAYCHECK
                                       -----------------------------------------
                                    Print Name: James Graycheck
                                    Title: Assistant Vice President

                                    500 Woodward Avenue
                                    MC 3256
                                    Detroit, MI 48226
                                    Phone: 313-222-1276
                                    Facsimile: 313-222-9295
                                    Attention: James Graycheck

                                      S-28
<PAGE>

                                    FIRST TENNESSEE BANK NATIONAL ASSOCIATION

                                    By: /s/ GREG CULLUM
                                       -----------------------------------------
                                    Print Name: Greg Cullum
                                    Title: Senior Vice President

                                    701 Market Street
                                    Chattanooga, TN 37402
                                    Phone: 423-757-4272
                                    Facsimile: 423-757-4040
                                    Attention: Greg Cullum

                                      S-29
<PAGE>

                                    KEYBANK NATIONAL ASSOCIATION

                                    By: /s/ DONALD WOODS
                                       -----------------------------------------
                                    Print Name: Donald Woods
                                    Title: Assistant Vice President

                                    127 Public Square
                                    8th Floor
                                    Cleveland, OH 44114
                                    Phone: 216-689-7547
                                    Facsimile: 216-689-4997
                                    Attention: Donald Woods

                                      S-30
<PAGE>

                                    SOVEREIGN BANK

                                    By: /s/ T. GREGORY DONOHUE
                                       -----------------------------------------
                                    Print Name: T. Gregory Donohue
                                    Title: Senior Vice President

                                    75 State Street
                                    MA 1 - SST - 0441
                                    Boston, MA 02109
                                    Phone: 617-757-5578
                                    Facsimile: 617-757-5652
                                    Attention: T. Gregory Donohue

                                      S-31
<PAGE>

                                    EXHIBIT A

                           QUALIFIED BORROWER GUARANTY

                                   Exhibit A-1

<PAGE>

                                    GUARANTY

        This Guaranty is made as of January 13, 2005 by Developers Diversified
Realty Corporation, a corporation organized under the laws of the State of Ohio
("Guarantor, and in its capacity as a borrower under the Credit Agreement
described below, a "Borrower"), to and for the benefit of JPMorgan Chase Bank,
N.A. (successor by merger to Bank One, NA (Illinois)), as administrative agent
("Administrative Agent") for itself and the lenders under the Credit Agreement
(as defined below) and their respective successors and assigns (collectively,
the "Lenders").

                                    RECITALS

        A.      Guarantor has requested that the Lenders make a revolving credit
facility available to Borrower in an aggregate principal amount of
$1,000,000,000 (the "Facility").

        B.      The Lenders have agreed to make available the Facility to
Borrower pursuant to the terms and conditions set forth in a Fifth Amended and
Restated Credit Agreement dated as of December 12, 2003, as amended, between
Guarantor, as Borrower, Administrative Agent, and the Lenders named therein (as
amended modified or restated from time to time, the "Credit Agreement"). All
capitalized terms used herein and not otherwise defined shall have the meanings
ascribed to such terms in the Credit Agreement.

        C.      The Credit Agreement is being amended concurrently herewith to
allow for Qualified Borrowers to request Advances under the Facility provided,
among other things, that Guarantor execute and deliver this Guaranty. Each
Qualified Borrower from time to time will execute and deliver to the Lenders
promissory notes as evidence of such Qualified Borrower's indebtedness to each
such Lender with respect to the Facility (the promissory notes described above,
together with any amendments or allonges thereto, or restatements, replacements
or renewals thereof, and/or new promissory notes to new Lenders under the Credit
Agreement, are collectively referred to herein as the "Notes").

        D.      Each Qualified Borrower is directly or indirectly wholly owned
by Guarantor.

                                   AGREEMENTS

        NOW, THEREFORE, Guarantor, in consideration of the matters described in
the foregoing Recitals, which Recitals are incorporated herein and made a part
hereof, and for other good and valuable consideration, hereby agrees as follows:

        1.      Guarantor absolutely, unconditionally, and irrevocably
guaranties to each of the Lenders:

                (a)     the full and prompt payment of the principal of and
        interest on the Notes when due, whether at stated maturity, upon
        acceleration or otherwise, and at all times thereafter, and the prompt
        payment of all sums which may now be or may hereafter become due and
        owing from each Qualified Borrower under the Notes, the Credit
        Agreement, and the other Loan Documents;

<PAGE>

                (b)     the payment of all Enforcement Costs (as hereinafter
        defined in Paragraph 7 hereof); and

                (c)     the full, complete, and punctual observance,
        performance, and satisfaction of all of the obligations, duties,
        covenants, and agreements of each Qualified Borrower under the Credit
        Agreement and the Loan Documents.

All amounts due, debts, liabilities, and payment obligations described in
subparagraphs (a) and (b) of this Paragraph 1 are referred to herein as the
"Facility Indebtedness." All obligations described in subparagraph (c) of this
Paragraph 1 are referred to herein as the "Obligations."

        2.      In the event of any default by a Qualified Borrower in making
payment of the Facility Indebtedness, or in performance of the Obligations, as
aforesaid, in each case beyond the expiration of any applicable grace period,
Guarantor agrees, on demand by the Administrative Agent or the holder of a Note,
to pay all the Facility Indebtedness and to perform all the Obligations as are
then or thereafter become due and owing or are to be performed under the terms
of the Notes, the Credit Agreement, and the other Loan Documents. All references
to Borrower in this Guaranty shall refer to each Qualified Borrower, as well as
Guarantor in its capacity as a Borrower under the terms of the Facility.

        3.      Guarantor does hereby waive (i) notice of acceptance of this
Guaranty by the Administrative Agent and the Lenders and any and all notices and
demands of every kind which may be required to be given by any statute, rule or
law, (ii) any defense, right of set-off or other claim which Guarantor may have
against Borrower or which Guarantor or Borrower may have against the
Administrative Agent or the Lenders or the holder of a Note, (iii) presentment
for payment, demand for payment (other than as provided for in Paragraph 2
above), notice of nonpayment (other than as provided for in Paragraph 2 above)
or dishonor, protest and notice of protest, diligence in collection and any and
all formalities which otherwise might be legally required to charge Guarantor
with liability, (iv) any failure by the Administrative Agent and the Lenders to
inform Guarantor of any facts the Administrative Agent and the Lenders may now
or hereafter know about Borrower, the Facility, or the transactions contemplated
by the Credit Agreement, it being understood and agreed that the Administrative
Agent and the Lenders have no duty so to inform and that Guarantor is fully
responsible for being and remaining informed by Borrower of all circumstances
bearing on the existence or creation, or the risk of nonpayment of the Facility
Indebtedness or the risk of nonperformance of the Obligations, and (v) any and
all right to cause a marshalling of assets of Borrower or any other action by
any court or governmental body with respect thereto, or to cause the
Administrative Agent and the Lenders to proceed against any other security given
to a Lender in connection with the Facility Indebtedness or the Obligations.
Credit may be granted or continued from time to time by the Lenders to Borrower
without notice to or authorization from Guarantor, regardless of the financial
or other condition of Borrower at the time of any such grant or continuation.
The Administrative Agent and the Lenders shall have no obligation to disclose or
discuss with Guarantor the Lenders' assessment of the financial condition of
Borrower. Guarantor acknowledges that no representations of any kind whatsoever
have been made by the Administrative Agent and the Lenders to Guarantor. No
modification or waiver of any of the provisions of this Guaranty shall be
binding upon the Administrative Agent and the Lenders except as expressly set
forth in a writing duly signed and delivered on behalf of the Administrative
Agent and the Lenders.

                                      -2-
<PAGE>

Guarantor further agrees that any exculpatory language contained in the Credit
Agreement, the Notes, and the other Loan Documents shall
in no event apply to this Guaranty, and will not prevent the Administrative
Agent and the Lenders from proceeding against Guarantor to enforce this
Guaranty.

        4.      Guarantor further agrees that Guarantor's liability as guarantor
shall in no way be impaired by any renewals or extensions which may be made from
time to time, with or without the knowledge or consent of Guarantor of the time
for payment of interest or principal under a Note or by any forbearance or delay
in collecting interest or principal under a Note, or by any waiver by the
Administrative Agent and the Lenders under the Credit Agreement, or any other
Loan Documents, or by the Administrative Agent or the Lenders' failure or
election not to pursue any other remedies they may have against Borrower, or by
any change or modification in a Note, the Credit Agreement, or any other Loan
Documents, or by the acceptance by the Administrative Agent or the Lenders of
any security or any increase, substitution or change therein, or by the release
by the Administrative Agent and the Lenders of any security or any withdrawal
thereof or decrease therein, or by the application of payments received from any
source to the payment of any obligation other than the Facility Indebtedness,
even though a Lender might lawfully have elected to apply such payments to any
part or all of the Facility Indebtedness, it being the intent hereof that
Guarantor shall remain liable as principal for payment of the Facility
Indebtedness and performance of the Obligations until all indebtedness has been
paid in full and the other terms, covenants and conditions of the Credit
Agreement, and other Loan Documents and this Guaranty have been performed,
notwithstanding any act or thing which might otherwise operate as a legal or
equitable discharge of a surety. Guarantor further understands and agrees that
the Administrative Agent and the Lenders may at any time enter into agreements
with Borrower to amend and modify a Note, the Credit Agreement or any of the
other Loan Documents, or any thereof, and may waive or release any provision or
provisions of a Note, the Credit Agreement, or any other Loan Document and, with
reference to such instruments, may make and enter into any such agreement or
agreements as the Administrative Agent, the Lenders and Borrower may deem proper
and desirable, without in any manner impairing this Guaranty or any of the
Administrative Agent and the Lenders' rights hereunder or any of Guarantor's
obligations hereunder.

        5.      This is an absolute, unconditional, complete, present and
continuing guaranty of payment and performance and not of collection. Guarantor
agrees that its obligations hereunder shall be joint and several with any and
all other guarantees given in connection with the Facility from time to time.
Guarantor agrees that this Guaranty may be enforced by the Administrative Agent
and the Lenders without the necessity at any time of resorting to or exhausting
any security or collateral, if any, given in connection herewith or with a Note,
the Credit Agreement, or any of the other Loan Documents or by or resorting to
any other guaranties, and Guarantor hereby waives the right to require the
Administrative Agent and the Lenders to join Borrower in any action brought
hereunder or to commence any action against or obtain any judgment against
Borrower or to pursue any other remedy or enforce any other right. Guarantor
further agrees that nothing contained herein or otherwise shall prevent the
Administrative Agent and the Lenders from pursuing concurrently or successively
all rights and remedies available to them at law and/or in equity or under a
Note, the Credit Agreement or any other Loan Documents, and the exercise of any
of their rights or the completion of any of their remedies shall not constitute
a discharge of any of Guarantor's obligations hereunder, it being the purpose
and intent of

                                      -3-
<PAGE>

Guarantor that the obligations of Guarantor hereunder shall be
primary, absolute, independent and unconditional under any and all circumstances
whatsoever. Neither Guarantor's obligations under this Guaranty nor any remedy
for the enforcement thereof shall be impaired, modified, changed or released in
any manner whatsoever by any impairment, modification, change, release or
limitation of the liability of Borrower under a Note, the Credit Agreement or
any other Loan Document or by reason of Borrower's bankruptcy or by reason of
any creditor or bankruptcy proceeding instituted by or against Borrower. This
Guaranty shall continue to be effective and be deemed to have continued in
existence or be reinstated (as the case may be) if at any time payment of all or
any part of any sum payable pursuant to a Note, the Credit Agreement or any
other Loan Document is rescinded or otherwise required to be returned by the
payee upon the insolvency, bankruptcy, or reorganization of the payor, all as
though such payment to such Lender had not been made, regardless of whether such
Lender contested the order requiring the return of such payment. The obligations
of Guarantor pursuant to the preceding sentence shall survive any termination,
cancellation, or release of this Guaranty.

        6.      This Guaranty shall be assignable by a Lender to any assignee of
all or a portion of such Lender's rights under the Loan Documents.

        7.      If: (i) this Guaranty, a Note, or any of the Loan Documents are
placed in the hands of an attorney for collection or is collected through any
legal proceeding; (ii) an attorney is retained to represent the Administrative
Agent or any Lender in any bankruptcy, reorganization, receivership, or other
proceedings affecting creditors' rights and involving a claim under this
Guaranty, a Note, the Credit Agreement, or any Loan Document; (iii) an attorney
is retained to enforce any of the other Loan Documents or to provide advice or
other representation with respect to the Loan Documents in connection with an
enforcement action or potential enforcement action; or (iv) an attorney is
retained to represent the Administrative Agent or any Lender in any other legal
proceedings whatsoever in connection with this Guaranty, a Note, the Credit
Agreement, any of the Loan Documents, or any property subject thereto (other
than any action or proceeding brought by any Lender or participant against the
Administrative Agent alleging a breach by the Administrative Agent of its duties
under the Loan Documents), then Guarantor shall pay to the Administrative Agent
or such Lender upon demand all reasonable attorney's fees, costs and expenses,
including, without limitation, court costs, filing fees and all other costs and
expenses incurred in connection therewith (all of which are referred to herein
as "Enforcement Costs"), in addition to all other amounts due hereunder.

        8.      The parties hereto intend that each provision in this Guaranty
comports with all applicable local, state and federal laws and judicial
decisions. However, if any provision or provisions, or if any portion of any
provision or provisions, in this Guaranty is found by a court of law to be in
violation of any applicable local, state or federal ordinance, statute, law,
administrative or judicial decision, or public policy, and if such court should
declare such portion, provision or provisions of this Guaranty to be illegal,
invalid, unlawful, void or unenforceable as written, then it is the intent of
all parties hereto that such portion, provision or provisions shall be given
force to the fullest possible extent that they are legal, valid and enforceable,
that the remainder of this Guaranty shall be construed as if such illegal,
invalid, unlawful, void or unenforceable portion, provision or provisions were
not contained therein, and that the rights, obligations and interest of the
Administrative Agent and the Lender or the holder of a Note under the remainder
of this Guaranty shall continue in full force and effect.

                                      -4-
<PAGE>

        9.      Any indebtedness of Borrower to Guarantor now or hereafter
existing is hereby subordinated to the Facility Indebtedness. Guarantor will not
seek, accept, or retain for Guarantor's own account, any payment from Borrower
on account of such subordinated debt at any time when a Default or Event of
Default exists under the Credit Agreement or the Loan Documents, and any such
payments to Guarantor made while any Default or Event of Default then exists
under the Credit Agreement or the Loan Documents on account of such subordinated
debt shall be collected and received by Guarantor in trust for the Lenders and
shall be paid over to the Administrative Agent on behalf of the Lenders on
account of the Facility Indebtedness without impairing or releasing the
obligations of Guarantor hereunder.

        10.     Guarantor hereby subordinates to the Facility Indebtedness any
and all claims and rights, including, without limitation, subrogation rights,
contribution rights, reimbursement rights and set-off rights, which Guarantor
may have against Borrower arising from a payment made by Guarantor under this
Guaranty and agree that, until the entire Facility Indebtedness is paid in full,
not to assert or take advantage of any subrogation rights of Guarantor or the
Lenders or any right of Guarantor or the Lenders to proceed against (i) Borrower
for reimbursement, or (ii) any other guarantor or any collateral security or
guaranty or right of offset held by the Lenders for the payment of the Facility
Indebtedness and performance of the Obligations, nor shall Guarantor seek or be
entitled to seek any contribution or reimbursement from Borrower or any other
guarantor in respect of payments made by Guarantor hereunder. It is expressly
understood that the agreements of Guarantor set forth above constitute
additional and cumulative benefits given to the Lenders for their security and
as an inducement for their extension of credit to Borrower.

        11.     Any amounts received by a Lender from any source on account of
any indebtedness may be applied by such Lender toward the payment of such
indebtedness, and in such order of application, as a Lender may from time to
time elect.

        12.     Guarantor hereby submits to personal jurisdiction in the State
of Illinois for the enforcement of this Guaranty and waives any and all personal
rights to object to such jurisdiction for the purposes of litigation to enforce
this Guaranty. Guarantor hereby consents to the jurisdiction of either the
Circuit Court of Cook County, Illinois, or the United States District Court for
the Northern District of Illinois, in any action, suit, or proceeding which the
Administrative Agent or a Lender may at any time wish to file in connection with
this Guaranty or any related matter. Guarantor hereby agrees that an action,
suit, or proceeding to enforce this Guaranty may be brought in any state or
federal court in the State of Illinois and hereby waives any objection which
Guarantor may have to the laying of the venue of any such action, suit, or
proceeding in any such court; provided, however, that the provisions of this
Paragraph shall not be deemed to preclude the Administrative Agent or a Lender
from filing any such action, suit, or proceeding in any other appropriate forum.

        13.     All notices and other communications provided to any party
hereto under this Agreement or any other Loan Document shall be in writing or by
telex or by facsimile and addressed or delivered to such party at its address
set forth below or at such other address as may be designated by such party in a
notice to the other parties. Any notice, if mailed and properly addressed with
postage prepaid, shall be deemed given when received; any notice, if transmitted
by facsimile, shall be deemed given when transmitted. Notice may be given as
follows:

                                      -5-
<PAGE>

                To Guarantor:

                        Developers Diversified Realty Corporation
                        3300 Enterprise Parkway
                        Beachwood, Ohio 44122

                        Attention: Joan U. Allgood, Esq.

                        Telephone: (216) 755-5656
                        Facsimile: (216) 755-1656

                With a copy to:

                        Developers Diversified Realty Corporation
                        3300 Enterprise Parkway
                        Beachwood, Ohio 44122

                        Attention: Scott A. Wolstein

                        Telephone: (216) 755-5506
                        Facsimile: (216) 755-1506

                To Administrative Agent :

                        JPMorgan Chase Bank, N.A.
                        One Bank One Plaza
                        Chicago, Illinois 60670
                        Attention: Timothy J. Carew, Director, Capital Markets

                        Telephone: (312) 325-3114
                        Facsimile: (312) 325-3122

                With a copy to:

                        Sonnenschein Nath & Rosentha
                        8000 Sears Tower
                        Chicago, Illinois 60606
                        Attention: Steven R. Davidson, Esq.

                        Telephone: (312) 876-8238
                        Facsimile: (312) 876-7934

                If to any other Lender, to its address set forth in the Credit
Agreement.

        14.     This Guaranty shall be binding upon the heirs, executors, legal
and personal representatives, successors and assigns of Guarantor and shall
inure to the benefit of the Administrative Agent and the Lenders' successors and
assigns.

                                      -6-
<PAGE>

        15.     This Guaranty shall be construed and enforced under the internal
laws of the State of Illinois.

        16.     GUARANTOR, THE ADMINISTRATIVE AGENT AND THE LENDERS, BY THEIR
ACCEPTANCE HEREOF, EACH HEREBY WAIVE ANY RIGHT TO A TRIAL BY JURY IN ANY ACTION
OR PROCEEDING TO ENFORCE OR DEFEND ANY RIGHT UNDER THIS GUARANTY OR ANY OTHER
LOAN DOCUMENT OR RELATING THERETO OR ARISING FROM THE LENDING RELATIONSHIP WHICH
IS THE SUBJECT OF THIS GUARANTY AND AGREE THAT ANY SUCH ACTION OR PROCEEDING
SHALL BE TRIED BEFORE A COURT AND NOT BEFORE A JURY.

                  [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]

                                      -7-
<PAGE>

        IN WITNESS WHEREOF, Guarantor has delivered this Guaranty in the
State of Illinois as of the date first written above.

                                       DEVELOPERS DIVERSIFIED REALTY
                                       CORPORATION

                                       By: /s/ WILLIAM H. SCHAFER
                                       -----------------------------------
                                       Print Name: William H. Schafer
                                       Title: Senior Vice President and CFO

                                       3300 Enterprise Parkway
                                       Beachwood, Ohio 44122
                                       Phone: 216/755-5506
                                       Facsimile: 216/755-1506
                                       Attention: Scott A. Wolstein

                                      -8-

<PAGE>

                                    EXHIBIT B

                             QUALIFIED BORROWER NOTE

                                  Exhibit B - 1

<PAGE>

                                      NOTE

                                                                January 13, 2005

        DDR PR VENTURES LLC, S.E., a limited liability company organized under
the laws of the State of Delaware (the "Borrower"), promises to pay to the order
of JPMORGAN CHASE BANK, N.A., as agent pursuant to the Credit Agreement
described below (the "Lender") the aggregate unpaid principal amount of all
Loans made to the Borrower pursuant to Article II of the Fifth Amended and
Restated Credit Agreement (as the same may be amended or modified, the
"Agreement") hereinafter referred to, in immediately available funds at the
office of JPMorgan Chase Bank, N.A. in Chicago, Illinois, as Agent, together
with interest on the unpaid principal amount hereof at the rates and on the
dates set forth in the Agreement. The Borrower shall pay remaining unpaid
principal of and accrued and unpaid interest on the Loans in full on the
Facility Termination Date or such earlier date as may be required under the
Agreement.

        The Lender shall, and is hereby authorized to, record on the schedule
attached hereto, or to otherwise record in accordance with its usual practice,
the date and amount of each Loan and the date and amount of each principal
payment hereunder.

        This Note is one of the Notes issued pursuant to, and is entitled to the
benefits of, the Fifth Amended and Restated Credit Agreement, dated as of
December 12, 2003, as amended, among the Borrower, JPMorgan Chase Bank, N.A.
(successor by merger to Bank One, NA), individually and as Administrative Agent,
and the other Lenders named therein, to which Agreement, as it may be amended
from time to time, reference is hereby made for a statement of the terms and
conditions governing this Note, including the terms and conditions under which
this Note may be prepaid or its maturity date accelerated. Capitalized terms
used herein and not otherwise defined herein are used with the meanings
attributed to them in the Agreement.

        If there is a Default under the Agreement or any other Loan Document and
Agent exercises the remedies provided under the Agreement and/or any of the Loan
Documents for the Lenders, then in addition to all amounts recoverable by the
Agent and the Lenders under such documents, Agent and the Lenders shall be
entitled to receive reasonable attorneys fees and expenses incurred by Agent and
the Lenders in connection with the exercise of such remedies.

        Borrower and all endorsers severally waive presentment, protest and
demand, notice of protest, demand and of dishonor and nonpayment of this Note,
and any and all lack of diligence or delays in collection or enforcement of this
Note, and expressly agree that this Note, or any payment hereunder, may be
extended from time to time, and expressly consent to the release of any party
liable for the obligation secured by this Note, the release of any of the
security for this Note, the acceptance of any other security therefor, or any
other indulgence or forbearance whatsoever, all without notice to any party and
without affecting the liability of the Borrower and any endorsers hereof.

        This Note shall be governed and construed under the internal laws of the
State of Illinois.

<PAGE>

        BORROWER AND LENDER, BY ITS ACCEPTANCE HEREOF, EACH HEREBY WAIVE ANY
RIGHT TO A TRIAL BY JURY IN ANY ACTION OR PROCEEDING TO ENFORCE OR DEFEND ANY
RIGHT UNDER THIS NOTE OR ANY OTHER LOAN DOCUMENT OR RELATING THERETO OR ARISING
FROM THE LENDING RELATIONSHIP WHICH IS THE SUBJECT OF THIS NOTE AND AGREE THAT
ANY SUCH ACTION OR PROCEEDING SHALL BE TRIED BEFORE A JUDGE AND NOT BEFORE A
JURY.

                                                     DDR PR VENTURES LLC, S.E.

                                    By: /s/ DAVID E. WEISS
                                       -----------------------------------------
                                    Print Name: David E. Weiss
                                    Title: Vice President

                                      -2-

<PAGE>
                   SCHEDULE OF LOANS AND PAYMENTS OF PRINCIPAL
                      TO NOTE OF DDR PR VENTURES LLC, S.E.
                             DATED JANUARY 13, 2005

<TABLE>
<CAPTION>
                                                                      Maturity
                    Principal               Maturity                  Principal
                    Amount of               of Interest               Amount                    Unpaid
Date                Loan                    Period                    Paid                      Balance
----                ----                    ------                    ----                      -------
<S>                 <C>                     <C>                       <C>                       <C>

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</TABLE>

                                      -3-

<PAGE>

                                   SCHEDULE 1

1.    Certificate of good standing for the Qualified Borrower from its State of
      Organization, certified by the appropriate governmental officer and dated
      not more than thirty (30) days prior to such entity becoming a Qualified
      Borrower;

2.    Copies of the formation documents (including code of regulations, if
      appropriate) of the Qualified Borrower certified by an officer of the
      Qualified Borrower, as appropriate, together with all amendments thereto;

3.    Incumbency certificates, executed by officers of the Qualified Borrower,
      which shall identify by name and title and bear the signature of the
      Persons authorized to sign the Loan Documents and to make borrowings
      hereunder on behalf of the Qualified Borrower, upon which certificate the
      Administrative Agent and the Lenders shall be entitled to rely until
      informed of any change in writing by the Qualified Borrower (or the
      Borrower on its behalf);

4.    Copies, certified by a Secretary or an Assistant Secretary of the
      Qualified Borrower, of the Board of Directors' resolutions (and
      resolutions of other bodies, if any are reasonably deemed necessary by
      counsel for any Lender) authorizing the Advances provided for herein, with
      respect to the Qualified Borrower, and the execution, delivery and
      performance of the Loan Documents to be executed and delivered by the
      Qualified Borrower;

5.    A written opinion of the Qualified Borrower's and Borrower's counsel,
      addressed to the Lenders in such form as the Administrative Agent may
      reasonably approve;

6.    UCC financing statement, judgment, and tax lien searches with respect to
      the Qualified Borrower from the State of Ohio and if different, its State
      of Organization;

7.    Written money transfer instructions, in substantially the form of Exhibit
      E to the Credit Agreement hereto, addressed to the Administrative Agent
      and signed by an Authorized Officer, together with such other related
      money transfer authorizations as the Administrative Agent may have
      reasonably requested;

8.    Such other documents as any Lender or its counsel may have reasonably
      requested, the form and substance of which documents shall be reasonably
      acceptable to the parties and their respective counsel.

                               Schedule 1 - Page 1<PAGE>

                                  EXHIBIT 10.24

                              EMPLOYMENT AGREEMENT

This Agreement is made as of the 30th day of July, 2004, by RADNET MANAGEMENT,
INC., a California corporation ("Radnet") and Mark Stolper ("MS"). Radnet by
this Agreement employs MS and MS accepts employment on the terms and conditions
set forth herein.

         1. PARTIES. Radnet is a California corporation engaged in the ownership
and operation of medical imaging centers and providing all management services
for the centers and for Primedex Health Systems, Inc. MS is skilled in financial
matters and is qualified to be a chief financial officer of a public company
engaged in the business of Radnet, its parent and affiliated entities.

         2. FULL-TIME EMPLOYMENT. MS, during the period of employment, agrees to
devote his full-time, attention, skill, and efforts to the performance of duties
on behalf of Radnet and to maintain and improve the business of Radnet.

         3. SERVICES.

         a) MS shall serve as the Chief Financial Officer of Radnet, its parent
and affiliated entities performing services at the Corporate Offices, 1510
Cotner Avenue, Los Angeles, California. MS shall supervise all Radnet financial
matters, at all times conducting himself in accordance with the highest degree
of professional competency. In this regard, MS agrees to be bound by and to
follow the attached Code of Financial Ethics.

         b) MS shall abide by and be subject to the Radnet Employee Manual, as
it may be modified from time to time.

         4. SALARY.

         a) As compensation for the services to be rendered by MS, Radnet shall
pay to MS a fixed salary at the rate per annum of Two Hundred Fifteen Thousand
Dollars ($215,000), payable during the first twelve (12) months of the term
hereunder, Two Hundred Fifty Thousand Dollars ($250,000) during the second
twelve (12) months of the term hereunder and each twelve (12) months thereafter,
payable in equal installments every two (2) weeks on the Radnet regularly
scheduled pay dates, provided that if the employment shall terminate for any
reason on any date other than a regularly scheduled pay date of any month, then
the salary currently payable shall be prorated. Nothing contained herein shall
be construed as extending the term beyond that set forth in Section 8
hereinbelow.

         b) Upon execution of this Agreement, Radnet shall pay to MS a bonus of
Twenty-Five Thousand Dollars ($25,000). At the end of the first twelve (12)
month period of the term hereunder and provided MS has been continuously
employed by Radnet hereunder during such period then and in that event, Radnet
shall pay to MS a bonus of Ten Thousand Dollars ($10,000).

         5. VACATION. MS shall be entitled to take a vacation of four (4) weeks
per annum during the first twelve (12) months of the term hereunder and each
twelve (12) month period thereafter this Agreement remains in effect, without
loss of compensation. In the event this Agreement is terminated for any reason
whatsoever prior to the expiration of its term, the foregoing unused vacation
time shall be prorated on a weekly basis and the compensation of MS shall be
adjusted accordingly, based upon whether MS has taken vacation in excess of or
less than the prorated allotment. Vacation time will no longer accrue once an
aggregate of two (2) years of annual allotted vacation time has been earned and
is unused for so long as such time remains unused. There shall otherwise be no
carry-over of or payment for any unused vacation. As with all vacation time, the
date upon which the vacation time is taken shall be determined by mutual
agreement between the MS and Radnet. Nothing contained herein shall be construed
as extending the term beyond that set forth in Section 8 herein below.

         6. INSURANCE. Radnet shall provide MS with group medical and dental
insurance comparable to the nature and extent of such insurance provided for
other executives of Radnet, provided, however, such nature and extent shall be
determined by Radnet, in its sole and absolute discretion.

         7. EXPENSES. During the period of employment, MS will be reimbursed for
reasonable expenses incurred on behalf of Radnet provided said expenses are
approved by Radnet's management or by Radnet's Board of Directors. In addition
to reimbursable expenses, MS may incur and pay in the course of employment by
Radnet other necessary expenses as an executive of Radnet which he will be
required personally to pay and which Radnet shall be under no obligation to

<PAGE>

                                                                   EXHIBIT 10.24

reimburse, including, but not limited to automobile and transportation expenses;
professional, entertainment, and promotional expenses; home telephone bills;
education expenses incurred for the purpose of maintaining or improving MS's
professional skills; club dues and expenses of membership in civic groups,
professional societies, and fraternal organizations, and all other items of
reasonable and necessary professional expenses incurred by MS in the interest of
better performing his services for and on behalf of Radnet. Nothing in this
Paragraph shall prevent Radnet from assuming to pay or reimbursing MS, in whole
or in part, for any expenses in any of the categories enumerated above,
provided, however, payment or reimbursement by Radnet in any one instance shall
not be deemed an amendment or modification of this Agreement, or an agreement to
pay or reimburse such expenses in the future, unless agreed in writing by
Radnet.

         8. TERM. The term of this Agreement shall be three (3) years starting
August 1, 2004, and shall automatically renew for annual periods thereafter
unless either party gives the other party written notice of the intention to not
renew this Agreement at least sixty (60) days before the then upcoming renewal
date. Notwithstanding the foregoing, this Agreement shall be terminated
immediately upon the happening of any of the following events:

                  a) Whenever Radnet and MS shall mutually agree, in writing, to
         termination.

                  b) Upon the death of MS.

                  c) At the option of Radnet, if MS shall suffer a permanent
         disability. For purposes of this Agreement, "permanent disability"
         shall be defined as the inability of MS, through illness or other
         cause, to perform the majority of his usual duties for a period
         aggregating four (4) weeks in any twelve (12) month period. Such option
         of Radnet shall be exercised by notice in writing delivered to MS shall
         be effective on delivery.

                  d) For cause, including without limitation, MS's failure or
         refusal to perform obligations under this Agreement, whereupon Radnet
         may terminate this Agreement at any time on fifteen (15) days' notice
         to MS.

         9. WARRANT. Upon entry into this Agreement, MS shall receive a Warrant
("Warrant #1") to purchase Four Hundred Fifty Thousand (450,000) shares of the
Common Stock, $.01 par value of Primedex Health Services, Inc., a New York
corporation ("PMDX") and a Warrant ("Warrant #2") to purchase Two Hundred
Thousand (200,000) shares of PMDX. Warrant #2 is in consideration of MS' time
spent during the last six (6) months in assisting Radnet in refinancing the
Company. The exercise price of both Warrants shall be the public market price of
PMDX Common Stock at the close of business on the date of this Agreement.
Warrant #2 shall vest in its entirety upon issuance. One Hundred Fifty Thousand
(150,000) shares of Warrant #1 shall vest twelve (12) months after issuance of
the Warrant, One Hundred Fifty Thousand (150,000) shares shall vest twenty-four
(24) months following issuance of Warrant #1 and One Hundred Fifty Thousand
(150,000) shares shall vest thirty-six (36) months following issuance of Warrant
#1. Notwithstanding the foregoing, the Warrants shall fully vest upon an event
in which the equity ownership of Howard G. Berger, M.D. is reduced below twenty
percent (20%). Both Warrants shall expire on the first to occur of ninety (90)
days following MS leaving the employ of Radnet or five (5) years. Nothing
contained herein shall be construed as extending the term of this Agreement
beyond that set forth in Section 8 hereinabove.

         10. AMENDMENT. No amendment or variation of the terms of this Agreement
shall be valid unless made in writing and signed by the parties hereto.

         11. APPLICABLE LAW. This Agreement is drawn to be effective in, and
shall be construed in accordance with, the laws of the State of California.

         12. WAIVER. Failure to insist on strict compliance with any of the
terms, covenants, or conditions of this Agreement shall not be deemed a waiver
of that term, covenant, or condition, nor shall any waiver or relinquishment of
any right or power at any one time or times be deemed a waiver or relinquishment
of any right or power at any other times.

         13. RESTRICTIVE COVENANT. MS agrees that during the term of this
Agreement he will not engage in any other business duties or pursuits
whatsoever, directly or indirectly, except activities approved in writing by the
Radnet Board of Directors, directorships in companies not in competition with
Radnet, and passive personal investments. Furthermore, MS will not, directly or
indirectly acquire, hold, or retain any interest in any business competing with
or similar in nature to the business of Radnet, and will not own or hold to any
substantial degree any securities in any company competing with Radnet.

                                       2
<PAGE>

                                                                   EXHIBIT 10.24

         14. DISCLOSURE OF INFORMATION.

                  a) MS recognizes and acknowledges that the manner in which
         Radnet conducts its business, specifically including, but without
         limitation, the fees charged, the terms and conditions of contracts
         with hospitals or other entities, the list of Radnet's contracting
         parties, as it may exist from time to time, are unique assets of
         Radnet's business. MS will not, during or after the term of employment,
         disclose the manner in which Radnet conducts its business, specifically
         including, but without limitation, the fees charged, the terms and
         conditions of contracts with hospitals or other entities, the list of
         Radnet's referring organizations, or any part of it to any person,
         firm, corporation, association, or other entity for any reason or
         purpose whatsoever. In the event of a breach or threatened breach by MS
         of the provisions of this Paragraph, Radnet shall be entitled to an
         injunction restraining MS from disclosing, in whole or in part, the
         manner in which Radnet conducts its business, specifically including,
         but without limitation, the fees charged, the terms and conditions of
         contracts with hospitals or other entities, the list of Radnet's
         referring organizations, or from rendering any services to any person,
         firm, corporation, association, or other entity to whom the manner in
         which Radnet conducts its business, specifically including, but without
         limitation, the fees charged, the terms and conditions of contracts
         with hospitals or other entities, or the referring organizations, in
         whole or in part, has been disclosed or is threatened to be disclosed.
         Nothing in this Agreement shall be construed as prohibiting Radnet from
         pursuing any other remedies available to Radnet for disclosure,
         including the recovering of damages from MS.

                  b) MS shall not disclose to any third party, except where
         permitted or required by law or where such disclosure is expressly
         approved by Radnet in writing, any patient or medical record
         information regarding patients of Radnet's facilities, and MS shall
         comply with all federal and state laws and regulations, and all bylaws,
         rules, regulations, and policies of Radnet regarding the
         confidentiality of such information.

                  c) MS agrees to comply with the applicable provisions of the
         Administrative Simplification section of the Health Insurance
         Portability and Accountability Act of 1996, as codified at 42 U.S.C.
         section 1320d through d-8 ("HIPAA"), and the requirements of any
         regulations promulgated thereunder including without limitation the
         federal privacy regulations as contained in 45 CFR Part 164 (the
         "Federal Privacy Regulations") and the federal security standards as
         contained in 45 CFR Part 142 (the "Federal Security Regulations"). MS
         agrees not to use or further disclose any protected health information,
         as defined in 45 CFR 154.504, or individually identifiable health
         information, as defined in 42 U.S.C. section 132)d (collectively, the
         "Protected Health Information"), concerning a patient other than as
         permitted by this Agreement and the requirements of HIPAA or
         regulations promulgated under HIPAA including without limitation the
         Federal Privacy Regulations and the Federal Security Regulations. MS
         will utilize appropriate safeguards to prevent the use or disclosure of
         a patient's Protected Health Information other than as provided for by
         this Agreement. MS will promptly report to Radnet any use or disclosure
         of a patient's Protected Health Information not provided for by this
         Agreement or in violation of HIPAA, the Federal Privacy Regulations, or
         the Federal Security Regulations of which MS becomes aware.
         Notwithstanding the foregoing, no attorney-client, accountant-client,
         or other legal privilege shall be deemed waived by MS or Radnet by
         virtue of this Subparagraph.

                  d) The provisions of this Section 14 shall survive expiration
         or other termination of this Agreement, regardless of the cause of such
         termination.

         15. REIMBURSEMENT OF DISALLOWED COMPENSATION AND EXPENSES. In the event
any expenses paid for MS or any reimbursement of expenses paid to MS shall, on
audit or other examination of Radnet's income tax returns, be determined not to
be allowable deductions from the gross income of Radnet, and the determination
shall be acceded to by Radnet, or made final by the appropriate state or federal
taxing authority or a final judgment of a court of competent jurisdiction, and
no appeal is taken from the judgment or the applicable period for filing notice
of appeal has expired, MS shall repay to Radnet the amount of the disallowed
expenses. Radnet may not waive this right to repayment.

         16. REMEDY FOR BREACH. In the event of any disputes arising out of or
related to this Agreement, either party hereto shall have the right to demand
that such dispute be resolved through binding arbitration in Los Angeles,
California, pursuant to California Code of Civil Procedure 1280, et seq. The
parties shall jointly appoint an arbitrator. If the parties fail within ten (10)
days to agree on the appointment of an arbitrator, then each party shall appoint
one arbitrator within three (3) days thereafter, and the two arbitrators so
appointed shall together select a third arbitrator, who shall serve as the sole
arbitrator of such dispute. Any arbitrator designated herein shall be a retired
judge of the California Superior Court or a higher California court. Judgment
upon the award rendered by the process of arbitration may be entered in any

                                       3
<PAGE>

                                                                   EXHIBIT 10.24

court having competent jurisdiction therefor. This provision shall not be
construed to prevent Radnet from obtaining injunctive relief from any competent
court to prevent or remedy a breach of this Agreement by MS.

         17. NOTICES. All notices, requests, demands and other communications
hereunder shall be in writing and shall be deemed to have been duly given at the
time they are personally delivered to the party to whom given or mailed by
registered or certified mail, postage prepaid and properly addressed to the
parties at the following address (or at such address as shall be given in the
manner herein provided for notice):

         Radnet:           Radnet Management, Inc.
                           1510 Cotner Avenue
                           Los Angeles, California  90025
                           Attn: Howard G. Berger, M.D., President

         MS:               Mark Stolper
                           850 Moraga Drive, Unit 1
                           Los Angeles, California 90049

         Any notice of change of address shall be effective only on receipt.

         18. PARTIAL INVALIDITY. The invalidity or unenforceability of any term
or provision or any clause of this Agreement shall in no way impair or affect
the validity or enforceability of any other provision of this Agreement, which
shall remain in full force and effect.

         19. ASSIGNMENT. This Agreement is personal in nature, and neither of
the parties shall, without the consent of the other, assign or transfer this
Agreement or any rights or obligations under this Agreement, except that Radnet
may assign or transfer this Agreement to a successor corporation in the event of
merger, consolidation, or transfer or sale of all or substantially all of the
assets of Radnet or to a partnership in which Radnet is a general partner.

         20. COUNTERPARTS. This Agreement may be executed in one or more
counterparts, each of which so executed shall be deemed to be an original and
such counterparts shall together constitute and be one and the same instrument.

         IN WITNESS WHEREOF, the parties have duly executed this Agreement as of
the day and year first above written.

                                        RADNET MANAGEMENT, INC.

_______________________________     By: _________________________________
Mark Stolper                            Howard G. Berger, M.D., President

                                       4

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