<DOCUMENT>
<TYPE>10-K/A
<SEQUENCE>1
<FILENAME>d10ka.txt
<DESCRIPTION>FORM 10K/A
<TEXT>

<PAGE>

                      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, 2000.

[_]      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)

<TABLE>
                               <S>                                 <C>
          MASSACHUSETTS                                                     04-2537528
               (State or Other Jurisdiction of                     Employer Identification No.)
               Incorporation or Organization)

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

       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 28, 2001
<PAGE>

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
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