Exhibit 3.3

                            CERTIFICATE OF AMENDMENT
                                       OF
                          CERTIFICATE OF INCORPORATION
                                       OF
                           JWC/HALIFAX HOLDINGS CORP.


         The undersigned, an officer of JWC/Halifax Holdings Corp. (the
"Corporation"), in order to amend the Certificate of Incorporation, hereby
certifies as follows:

         FIRST:   The name of the Corporation is JWC/Halifax Holdings Corp.

         SECOND:  The Certificate of Incorporation is hereby amended by striking
                  out Paragraph 1 thereof and by substituting in lieu of said
                  Paragraph 1 the following new paragraph:

                           "1.      Name. The name of the corporation is InSight
                  Health Services Holdings Corp. (the "Corporation")."

                  The Certificate of Incorporation is hereby further amended by
                  inserting Paragraph 11 which shall read as follows:

                           "11.     Director Voting. Except as otherwise
                  provided in the By-Laws of the Corporation, each member of
                  the Board of Directors shall have one vote on each matter
                  brought to a vote before the Board of Directors."

         THIRD:   The amendments of the Certificate of Incorporation set forth
                  herein have been duly adopted by the Board of Directors
                  pursuant to Section 141(f) of the General Corporation Law of
                  the State of Delaware (the "DGCL") and written consent of the
                  stockholders has been given in accordance with the provisions
                  of Sections 228 and 242 of the DGCL.


Dated: June 29, 2001                                /s/ Mark J. Tricolli
                                                    ----------------------
                                                    Name: Mark J. Tricolli
                                                    Title: Vice President &
                                                           Secretary

                          CERTIFICATE OF INCORPORATION

                                       OF

                           JWC/HALIFAX HOLDINGS CORP.


         1.       Name. The name of the corporation is JWC/Halifax Holdings
Corp. (the "Corporation").

         2.       Registered Office. The address of the Corporation's registered
office in Delaware is 15 East North Street, Dover (Kent County), Delaware 19901.
United Corporate Services, Inc. is the Corporation's registered agent at that
address.

         3.       Purpose. The purpose of the Corporation is to engage in any
lawful business, act or activity for which corporations may be organized under
the Delaware General Corporation Law.

         4.       Capitalization. The total number of shares of all classes of
stock which the Corporation shall have authority to issue is 11,000,000 shares,
consisting of:

                  (i)      1,000,000 shares of Preferred Stock, $0.001 par value
                           (the "Preferred Stock"), and

                  (ii)     10,000,000 shares of Common Stock, $0.001 par value
                           (the "Common Stock").

         5.       Preferred Stock. The designations and the powers, preferences
and rights, and the qualifications, limitations or restrictions of the Preferred
Stock are as follows:

                  (i)      The Preferred Stock may be issued from time to time
                  in one or more series, with such distinctive serial
                  designations as shall be stated and expressed in the
                  resolution or resolutions providing for the issue of such
                  shares from time to time adopted by the Board of Directors;
                  and in such resolution or resolutions providing for the issue
                  of shares of each particular series, the Board of Directors is
                  expressly authorized to fix, without limitation: the annual
                  rate or rates of dividends for the particular series; the
                  dividend payment dates for the particular series and the date
                  from which dividends on all shares of such series issued prior
                  to the record date for the first dividend payment date shall
                  be cumulative; the redemption price or prices for the
                  particular series; the voting powers for the particular
                  series; the rights to which the holders of the shares of such
                  series shall be entitled on the voluntary or involuntary
                  liquidation, dissolution or winding up of, or upon any
                  distribution of the assets of, the Corporation, which rights
                  may be different in the case of a voluntary

                  liquidation, dissolution or winding up than in the case of
                  such an involuntary event; the rights, if any, of holders of
                  the shares of the particular series to convert the same into
                  shares of any other series or class or other securities of the
                  Corporation, with any provisions for the subsequent adjustment
                  of such conversion rights; and to classify or reclassify any
                  unissued preferred shares by fixing or altering from time to
                  time any of the foregoing powers, preferences and rights and
                  qualifications, limitations or restrictions.

                  (ii)     All the Preferred Stock of any one series shall be
                  identical with each other in all respects, except that shares
                  of any one series issued at different times may differ as to
                  the dates from which dividends thereon shall be cumulative;
                  and all shares of Preferred Stock shall be of equal rank,
                  regardless of series, and shall be identical in all respects
                  except as to the particulars fixed by the Board of Directors
                  as hereinabove provided or as fixed herein.

         6.       Common Stock. The powers, rights and other matters relating to
the Common Stock are as follows:

                  (i)      Subject to the limitations set forth in this Section
                  6, dividends may be paid on the Common Stock out of any funds
                  legally available for that purpose, when, as and if declared
                  by the Board of Directors.

                  (ii)     In the event of any liquidation, dissolution or
                  winding up of the Corporation, after there shall have been
                  paid to or set aside for the holders of outstanding shares
                  having superior liquidation preferences to Common Stock the
                  full preferential amounts to which they are respectively
                  entitled, the holders of outstanding shares of Common Stock
                  shall be entitled to receive pro rata, according to the number
                  of shares held by them, the remaining assets of the
                  Corporation legally available for distribution to the
                  stockholders.

                  (iii)    At every meeting of the stockholders every holder of
                  Common Stock shall be entitled to one (1) vote in person or by
                  proxy for each share of Common Stock standing in his name on
                  the stock transfer records of the Corporation provided that,
                  if at any time there is outstanding more than one class of
                  stock, the Corporation may not effect or consummate (1) any
                  merger or consolidation of the Corporation with or into any
                  other entity; (2) any sale, lease, exchange or other
                  disposition of all or substantially all of the assets of the
                  Corporation to or with any other person; or (3) any
                  dissolution of the Corporation, unless such transaction is
                  authorized by the holders of the Common Stock voting
                  separately as a class (provided that the foregoing shall not
                  apply to any merger or other transaction described above if
                  the other party to the merger or other transaction is a
                  Subsidiary of the Corporation. For purposes hereof, a
                  "Subsidiary" is any person more than 50% of the voting
                  securities


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                  of which are owned directly or indirectly by the Corporation;
                  and a "person" is any individual, partnership, corporation or
                  entity.)

         7.       Conduct of Business. The following provisions relate to the
management of the business and the conduct of the affairs of the Corporation and
are not inserted for the purpose of creating, defining, limiting and regulating
the powers of the Corporation and its directors and stockholders:

                  (i)      By-Laws. The election of officers may be conducted in
                  any manner the By-Laws provide, and need not be by written
                  ballot.

                  (ii)     Amendment of By-Laws. The Board of Directors shall
                  have the power to make, alter, amend or repeal the By-Laws of
                  the Corporation, except to the extent that the By-Laws
                  otherwise provide.

         8.       Indemnification. The Corporation shall indemnify to the full
extent authorized by law any person made or threatened to be made a party to an
action or proceeding whether criminal, civil, administrative or investigative,
by reason of the fact that he, his testator or intestate is or was a director or
officer of the Corporation or serves or served any other enterprise as a
director or officer at the request of the Corporation or any predecessor of the
Corporation. No director of the Corporation shall be liable to the Corporation
or its stockholders for monetary damages for breach of fiduciary duty as a
director, except for liability (i) for any breach of the director's duty of
loyalty to the Corporation or its stockholders; (ii) for acts or omissions not
in good faith or which involve intentional misconduct or a knowing violation of
law; (iii) under Section 174 of the Delaware General Corporation Law; or (iv)
for any transaction from which the director derived an improper personal
benefit.

         9.       Section 203. The corporation elects not to be governed by
Section 203 of the Delaware General Corporation Law.

         10.      Incorporator. The name and address of the sole incorporator is
Jon E. Flaute, c/o Kaye Scholer LLP, 425 Park Avenue, New York, New York 10022.


June 13, 2001


                                               /s/ Jon E. Flaute
                                               ---------------------------
                                                    Jon E. Flaute
                                                    Sole Incorporator


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