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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,
 LXfZ+5+SqHAEMeXu8ZNg5/wneRn9qG8JvNkTs3Dw2UsDcuYSyPoV/Manrh9+uFWU
 JrJ3T2C2eE9vwsyEFsHhXA==

<SEC-DOCUMENT>0000891836-04-000211.txt : 20040526
<SEC-HEADER>0000891836-04-000211.hdr.sgml : 20040526
<ACCEPTANCE-DATETIME>20040526163810
ACCESSION NUMBER:		0000891836-04-000211
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040525
FILED AS OF DATE:		20040526

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			QUINTON CARDIOLOGY SYSTEMS INC
		CENTRAL INDEX KEY:			0001166409
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				943300396
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3303 MONTE VILLA PKWY
		CITY:			BOTHELL
		STATE:			WA
		ZIP:			98021
		BUSINESS PHONE:		4254022000

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	QUINTON HOLDING CORP
		DATE OF NAME CHANGE:	20020201

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KONINKLIJKE PHILIPS ELECTRONICS NV
		CENTRAL INDEX KEY:			0000313216
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC & OTHER ELECTRICAL EQUIPMENT (NO COMPUTER EQUIP) [3600]
		STATE OF INCORPORATION:			P7
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-49755
		FILM NUMBER:		04832740

	BUSINESS ADDRESS:	
		STREET 1:		BREITNER CENTER
		STREET 2:		AMSTELPLEIN 2
		CITY:			AMSTERDAM
		STATE:			P7
		ZIP:			1096 BC
		BUSINESS PHONE:		31 20 59 77777

	MAIL ADDRESS:	
		STREET 1:		BREITNER CENTER
		STREET 2:		AMSTELPLEIN 2
		CITY:			AMSTERDAM
		STATE:			P7
		ZIP:			1096 BC

	FORMER NAME:	
		FORMER CONFORMED NAME:	PHILIPS ELECTRONICS N V
		DATE OF NAME CHANGE:	19930727

	FORMER NAME:	
		FORMER CONFORMED NAME:	PHILIPS NV
		DATE OF NAME CHANGE:	19910903
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>sc0101-04_ex.xml
<DESCRIPTION>FORM 4 -- STATEMENT OF CHANGES
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-05-25</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001166409</issuerCik>
        <issuerName>QUINTON CARDIOLOGY SYSTEMS INC</issuerName>
        <issuerTradingSymbol>QUIN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000313216</rptOwnerCik>
            <rptOwnerName>KONINKLIJKE PHILIPS ELECTRONICS NV</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>BREITNER TOWER</rptOwnerStreet1>
            <rptOwnerStreet2>AMSTELPLEIN 2</rptOwnerStreet2>
            <rptOwnerCity>1070 MX AMSTERDAM</rptOwnerCity>
            <rptOwnerState>P7</rptOwnerState>
            <rptOwnerZipCode>1096 BC</rptOwnerZipCode>
            <rptOwnerStateDescription>NETHERLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F3"/>
            </securityTitle>
            <transactionDate>
                <value>2004-05-25</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1394024</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>9.90</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These shares are owned directly by Philips Electronics North America Corporation (&quot;PENAC&quot;), a wholly owned subsidiary of
Philips Holding USA Inc. (&quot;PHUSA&quot;). PHUSA is a wholly owned subsidiary of Koninklijke Philips Electronics N.V. (&quot;KPNV&quot;).
Accordingly, securities owned by PENAC may be regarded as being owned beneficially by PHUSA; securities owned by PHUSA may
be regarded as being owned beneficially by KPNV. The address for each of PHUSA and PENAC is 1251 Avenue of the Americas, New
York, NY 10020.</footnote>
        <footnote id="F2">Reflects a 1-for-2.2 reverse stock split, which became effective on May 2, 2002.</footnote>
        <footnote id="F3">These shares are being sold in an underwritten offering pursuant to an Underwriting Agreement dated May 25, 2004, by and
among PENAC, Quinton Cardiology Systems, Inc., and Needham &amp; Company, Inc., SunTrust Robinson Humphrey, Adams Harkness &amp;
Hill, Inc., and Delafield Hambrecht, Inc.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ A. Westerlaken, Secretary to the Board of Management of KPNV</signatureName>
        <signatureDate>2004-05-25</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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