Exhibit 10.4

 

FIRST AMENDMENT TO EMPLOYMENT AGREEMENT

 

This Agreement is entered into as of January 30, 2004 by and between Primedex
Health Systems, Inc., a New York corporation (“Employer”) and JEFFREY L. LINDEN,
ESQ. (“Employee”).

 

WHEREAS, Employer and Employee entered into an Employment Agreement dated April
16, 2001; and

 

WHEREAS, Employee and Employer now wish to amend the Employment Agreement.

 

NOW, THEREFORE, it is agreed as follows:

 

1.    Employer Change.    Commencing January 30, 2004, Employer shall be Radnet
Management, Inc., a California corporation, in place and instead of Primedex
Health Systems, Inc.

 

2.    Affirmation.    Except as specifically amended hereby the Employment
Agreement is unchanged and is incorporated herein the same as if fully set
froth.

 

Executed at Los Angeles, California as of the date first set forth hereinabove.

 

            PRIMEDEX HEALTH SYSTEMS, INC. /s/    JEFFREY L. LINDEN, ESQ.        
  By:  

/s/    HOWARD G. BERGER, M.D.            

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JEFFREY L. LINDEN, ESQ.               Howard G. Berger, M.D., President        
    RADNET MANAGEMENT, INC.             By:  

/s/    HOWARD G. BERGER, M.D.            

               

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                Howard G. Berger, M.D., President