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SYSTEM AND METHOD FOR ISCHEMIA CLASSIFICATION WITH IMPLANTABLE MEDICAL DEVICE

  • US 20110112422A1
  • Filed: 01/18/2011
  • Published: 05/12/2011
  • Est. Priority Date: 01/31/2007
  • Status: Active Grant
First Claim
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1. A method comprising:

  • obtaining an electrogram representing cardiac data from an implantable medical device for a plurality of cardiac cycles;

    determining an ST segment data point for each of the cardiac cycles;

    initiating a timer interval when one of the ST segment data points exceeds a threshold value;

    calculating a slope between two of the ST segment data points that occur during the timer interval; and

    determining whether the ST segment data points indicate ischemia based on the calculated slope.

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