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Method and system for automatically calibrating ischemia detection parameters

  • US 7,865,232 B1
  • Filed: 08/07/2007
  • Issued: 01/04/2011
  • Est. Priority Date: 08/07/2007
  • Status: Expired due to Fees
First Claim
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1. A method for automatically determining ischemia detection parameters, comprising:

  • obtaining a baseline trace indicative of a cardiac behavior;

    locating one of an R wave marker and a V wave marker in the baseline trace;

    analyzing the baseline trace to identify slope changes between points in the baseline trace;

    identifying a start point and end point in the baseline trace following the R wave or V wave marker as a function of the slope changes;

    determining an ischemia detection window based on the start and end points within the baseline trace, the baseline trace including a baseline segment within the ischemia detection window; and

    automatically determining a fiducial point by locating a fiducial point that yields a desired relation between the baseline segment and a new segment trace within the ischemia detection window, the ischemia detection window and fiducial point constituting ischemia detection parameters.

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