System for ischemia detection based on adjustable paced beat analysis timing
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United States of America Patent
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Aug 16, 2016
Grant Date -
N/A
app pub date -
Sep 14, 2015
filing date -
Nov 24, 2009
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Abstract
A device for detecting cardiac ischemia is disclosed. The device includes a processor that is configured to distinguish between ventricularly paced beats and supraventricular beats. The processor applies different ischemia tests to the two different beat types, and generates alert when it detects ischemia. The processor collects and counts the ST segment deviation values for ventricularly paced beats for a pre-set time period. The processor then determines if the number of ventricularly paced beats is insufficient to perform ischemia detection. If so, then the processor collects ST deviation values for additional paced beats. When the processor determines that a sufficient number of ventricularly paced beats have been acquired, it identifies ischemic beats by the application of ischemia detection criteria to the ST deviation values of the collected ventricularly paced beats.
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