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INTRODUCTION In the arsenal of cardiac functional parameters,cardiac output(CO),cardiac index(CI),and strokevolume(SV)are potentially important determinantsof hemodynamics,the measurement of which relieson complicated and sometimes invasive techniques.In the case of congestive heart failure,non-invasivemethods to provide accurate measures of these pa-rameters during exercise stress testing would addsignificant objectiveness to the test result.This couldbe of considerable importance for … 相似文献
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