SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                                FORM 10-K/A-No. 1

[X]  Annual Report pursuant to section 13 or 15(d) of the Securities Exchange
     Act of 1934 for the fiscal year ended December 31, 2001.

[_]  Transition report pursuant to Section 13 or 15(d) of the Securities
     Exchange Act of 1934 for the transition period from ........  to ........

                         Commission File Number 0-13617



                             LIFELINE SYSTEMS, INC.
             (Exact Name of Registrant as Specified in its Charter)



                 MASSACHUSETTS                                   04-2537528
      (State or Other Jurisdiction of                         (I.R.S. Employer
        Incorporation or Organization)                       Identification No.)

 111 LAWRENCE STREET, FRAMINGHAM, MASSACHUSETTS                     01702
     (Address of Principal Executive Offices)                    (Zip Code)



        Registrant's telephone number, including area code (508) 988-1000



     The sole purpose of this Form 10-K/A is to file Annual Reports on Form 11-K
     for The Lifeline Employees' Savings and Investment Plan.

     Pursuant to the requirements of Section 12 of the Securities Exchange Act
     of 1934, the registrant has duly caused this amendment to be signed on its
     behalf by the undersigned, thereunto duly authorized.

LIFELINE SYSTEMS, INC. (REGISTRANT)

      /s/ Dennis M. Hurley


BY    Dennis M. Hurley
      Senior Vice President, Finance
      Chief Financial Officer

DATE  June 26, 2002



PAGE 1

                                  EXHIBIT INDEX


Exhibit No.    Exhibit

(99.1)         Annual Report for the Lifeline Employees' Savings and Investment
               Plan
(99.1a)        Consent of Independent Public Accountants