Non-captured intrinsic discrimination in cardiac pacing response classification
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United States of America Patent
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Mar 27, 2012
Grant Date -
Nov 6, 2008
app pub date -
Jul 7, 2008
filing date -
Dec 11, 2003
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Abstract
Cardiac devices and methods discriminate non-captured intrinsic beats during evoked response detection and classification by comparing the features of a post-pace cardiac signal with expected features associated with a non-captured response with intrinsic activation. Detection of a non-captured response with intrinsic activation may be based on the peak amplitude and timing of the cardiac signal. The methods may be used to discriminate between a fusion or capture beat and a non-captured intrinsic beat. Discriminating between possible cardiac responses to the pacing pulse may be useful, for example, during automatic capture verification and/or a capture threshold test.
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