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                                                                   EXHIBIT 10.1

                   SECOND AMENDMENT TO CREDIT AGREEMENT

                 (EXIMBANK GUARANTEED LOAN NO. AP072067XX)

     This Amendment, dated as of March 30, 1998, is made by and between 
MEDICAL GRAPHICS CORPORATION, a Minnesota corporation ("the Borrower") and 
NORWEST BANK MINNESOTA, NATIONAL ASSOCIATION, a national banking association 
(the "Lender").

                                  Recitals

     The Borrower and the Lender have entered into a Credit Agreement dated 
as of March 31, 1997 as amended by First Amendment to Credit Agreement dated 
as of November 12, 1997 (as so amended, the "Credit Agreement"). Capitalized 
terms used in these recitals have the meanings given to them in the Credit 
Agreement unless otherwise specified.

     The Borrower has requested that the Lender extend the Maturity Date by 
one year and make other amendments to the Credit Agreement. The Lender is 
willing to grant the Borrower's request pursuant to the terms and conditions 
set forth herein.

     NOW, THEREFORE, in consideration of the premises and of the mutual 
covenants and agreements herein contained, it is agreed as follows:

         1.  DEFINED TERMS. Capitalized terms used in this Amendment which are
defined in the Credit Agreement shall have the same meanings as defined therein,
unless otherwise defined herein. In addition, Section 1.1 of the Credit
Agreement is amended by adding or amending, as the case may be, the following
definitions:

         "'Maturity Date' means March 29, 1999."

         2.  NO OTHER CHANGES. Except as explicitly amended by this Amendment,
all of the terms and conditions of the Credit Agreement shall remain in full
force and effect and shall apply to any advance or letter of credit thereunder.

         3.  FEES.

          (a)   APPLICATION FEE. The Borrower shall reimburse the Lender for the
     $100 application fee payable to Eximbank in connection with the renewal
     application.


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          (b)   FACILITY FEE. The Borrower shall pay the Lender a fully earned
     and non-refundable facility fee of $4,375, due and payable upon the date of
     this Amendment.

         4.  CONDITIONS PRECEDENT. This Amendment shall be effective when the
Lender shall have received an executed original hereof, together with each of
the following, each in substance and form acceptable to the Lender in its sole
discretion:

           (a)  A Certificate of the Secretary of the Borrower certifying as to
     (i) the resolutions of the board of directors of the Borrower approving the
     execution and delivery of this Amendment, (ii) the fact that the articles 
     of incorporation and bylaws of the Borrower, which were certified and
     delivered to the Lender pursuant to its Certificate of Authority dated as
     of March 31, 1997 continue in full force and effect and have not been
     amended or otherwise modified except as set forth in the Certificate to be
     delivered, and (iii) certifying that the officers and agents of the 
     Borrower who have been certified to the Lender, pursuant to the Certificate
     of Authority dated as of March 31, 1997, as being authorized to sign and to
     act on behalf of the Borrower continue to be so authorized or setting forth
     the sample signatures of each of the officers and agents of the Borrower
     authorized to execute and deliver this Amendment and all other documents,
     agreements and certificates on behalf of the Borrower.

          (b)   The SBA/Eximbank Joint Application, properly completed and
     executed by the Borrower.

          (c)   An Exceptions Approval Letter, properly signed by Eximbank.

          (d)   Payment of the fee described in Paragraph 3.

          (e)   Receipt by the Lender of the executed Loan Authorization Notice.

          (f)   Such other matters as the Lender may require.

         5.  REPRESENTATIONS AND WARRANTIES.  The Borrower hereby represents
and warrants to the Lender as follows:

          (a)   The Borrower has all requisite power and authority to execute
     this Amendment and to perform all of its obligations hereunder, and this
     Amendment has been duly executed and delivered by the Borrower and
     constitutes the legal, valid and binding obligation of the Borrower,
     enforceable in accordance with its terms.

          (b)   The execution, delivery and performance by the Borrower of this
     Amendment have been duly authorized by all necessary corporate action and
     do not (i) require any authorization, consent or approval by any
     governmental department, commission, board, bureau, agency or
     instrumentality, domestic or foreign, (ii) violate any provision of any 
     law, rule or regulation or of any order, writ, 


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     injunction or decree presently in effect, having applicability to the 
     Borrower, or the articles of incorporation or by-laws of the Borrower, 
     or (iii) result in a breach of or constitute a default under any indenture
     or loan or credit agreement or any other agreement, lease or instrument to 
     which the Borrower is a party or by which it or its properties may be 
     bound or affected.

          (c)   All of the representations and warranties contained in Article V
     of the Credit Agreement are correct on and as of the date hereof as though
     made on and as of such date, except to the extent that such representations
     and warranties relate solely to an earlier date.

         6. REFERENCES. All references in the Credit Agreement to "this
Agreement" shall be deemed to refer to the Credit Agreement as amended hereby;
and any and all references in the Security Documents to the Credit Agreement
shall be deemed to refer to the Credit Agreement as amended hereby.

         7. NO WAIVER. The execution of this Amendment and acceptance of any
documents related hereto shall not be deemed to be a waiver of any Default or
Event of Default under the Credit Agreement or breach, default or event of
default under any Security Document or other document held by the Lender,
whether or not known to the Lender and whether or not existing on the date of
this Amendment.

         8. RELEASE. The Borrower, hereby absolutely and unconditionally
releases and forever discharges the Lender, and any and all participants, parent
corporations, subsidiary corporations, affiliated corporations, insurers,
indemnitors, successors and assigns thereof, together with all of the present
and former directors, officers, agents and employees of any of the foregoing,
from any and all claims, demands or causes of action of any kind, nature or
description, whether arising in law or equity or upon contract or tort or under
any state or federal law or otherwise, which the Borrower has had, now has or
has made claim to have against any such person for or by reason of any act,
omission, matter, cause or thing whatsoever arising from the beginning of time
to and including the date of this Amendment, whether such claims, demands and
causes of action are matured or unmatured or known or unknown.

         9. COSTS AND EXPENSES. The Borrower hereby reaffirms its agreement
under the Credit Agreement to pay or reimburse the Lender on demand for all
costs and expenses incurred by the Lender in connection with the Credit
Agreement, the Security Documents and all other documents contemplated thereby,
including without limitation all reasonable fees and disbursements of legal
counsel. Without limiting the generality of the foregoing, the Borrower
specifically agrees to pay all fees and disbursements of counsel to the Lender
for the services performed by such counsel in connection with the preparation of
this Amendment and the documents and instruments incidental hereto. The Borrower
hereby agrees that the Lender may, at any time or from time to time in its sole
discretion and without further authorization by the Borrower, make an Advance
under the Credit Agreement, or 



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apply the proceeds of any Advance, for the purpose of paying any such 
fees, disbursements, costs and expenses and the fee required under 
Paragraph 3 hereof.

         10.  MISCELLANEOUS. This Amendment may be executed in any number of
counterparts, each of which when so executed and delivered shall be deemed an
original and all of which counterparts, taken together, shall constitute one and
the same instrument.

         IN WITNESS WHEREOF, the parties hereto have caused this Amendment to 
be duly executed as of the date first written above.

NORWEST BUSINESS CREDIT, INC.           MEDICAL GRAPHICS CORPORATION

/s/ Christopher A. Cudak                /s/ Glenn D. Taylor
--------------------------------        ----------------------------------
Christopher A. Cudak                    Glenn D. Taylor
Its Vice President                      Chief Executive Officer



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