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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 RGu6XwV7IMl8cMRRNxcGvUk73QpUPLBCricXiT7vaDSAIfUaNBj9+ZCYmW+sycZS
 e2Fd/bno8zQwrjWLfE6UNQ==

<SEC-DOCUMENT>0001181431-03-016104.txt : 20030730
<SEC-HEADER>0001181431-03-016104.hdr.sgml : 20030730
<ACCEPTANCE-DATETIME>20030730131507
ACCESSION NUMBER:		0001181431-03-016104
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030729
FILED AS OF DATE:		20030730

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LIFELINE SYSTEMS INC
		CENTRAL INDEX KEY:			0000720195
		STANDARD INDUSTRIAL CLASSIFICATION:	RADIO & TV BROADCASTING & COMMUNICATIONS EQUIPMENT [3663]
		IRS NUMBER:				042537528
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		111 LAWRENCE ST
		CITY:			FRAMINGHAM
		STATE:			MA
		ZIP:			02139
		BUSINESS PHONE:		6176791000

	MAIL ADDRESS:	
		STREET 1:		111 LAWRENCE ST
		CITY:			FRAMINGHAM
		STATE:			MA
		ZIP:			02139

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GIANNETTO JOHN
		CENTRAL INDEX KEY:			0001248721

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-13617
		FILM NUMBER:		03810876

	BUSINESS ADDRESS:	
		STREET 1:		53 CHESTNUT STREET
		CITY:			WAKEFIELD
		STATE:			MA
		ZIP:			01880

	MAIL ADDRESS:	
		STREET 1:		53 CHESTNUT STREET
		CITY:			WAKEFIELD
		STATE:			MA
		ZIP:			01880
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd14517.xml
<DESCRIPTION>FORM 4 DATED 7/29/03
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-07-29</periodOfReport><notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000720195</issuerCik>
        <issuerName>LIFELINE SYSTEMS INC</issuerName>
        <issuerTradingSymbol>LIFE</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001248721</rptOwnerCik>
            <rptOwnerName>GIANNETTO JOHN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O LIFELINE SYSTEMS</rptOwnerStreet1>
            <rptOwnerStreet2>111 LAWRENCE STREET</rptOwnerStreet2>
            <rptOwnerCity>FRAMINGHAM</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>01702</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>1</isOther><otherText>Vice President, Operations</otherText></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-07-29</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>334</value></transactionShares><transactionPricePerShare><value>30.00</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>0</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature><
/nonDerivativeTransaction><nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1456</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>401(k) Plan</value></natureOfOwnership></ownershipNature></nonDerivativeHolding></nonDerivativeTable><ownerSignature><signatureName>John A. Giannetto</signatureName><signatureDate>2003-07-30</signatureDate></ownerSignature></ownershipDocument>



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</TEXT>
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</SEC-DOCUMENT>
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