EXHIBIT 32.1

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

       In connection with the Annual Report of Primedex Health Systems, Inc.
(the "Company") on Form 10-K for the annual period ended October 31, 2005, as
filed with the Securities and Exchange Commission on February 13, 2006 (the
"Report"), I, Howard G. Berger, M.D., Chairman and Chief Executive Officer of
the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002, that:

      1. The Report fully complies with the requirements of Section 13(a) or
15(d) of the Securities Exchange Act of 1934, as amended; and

      2. The information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company as of, and for the periods presented in the Report.

                                            /s/ Howard G. Berger, M.D.
                                            ------------------------------------
                                            Howard G. Berger, M.D.
                                            Chairman and Chief Executive Officer
                                            (Principle Executive Officer)
                                            February 13, 2006

       A signed original of this written statement required by Section 906 has
been provided to the Company and will be furnished to the Securities and
Exchange Commission or its staff upon request.