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System and methods for analyzing QRS curvature to detect cardiac events

  • US 20090076404A1
  • Filed: 09/14/2007
  • Published: 03/19/2009
  • Est. Priority Date: 09/14/2007
  • Status: Abandoned Application
First Claim
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1. A device for assessing the condition of a mammalian heart, comprising:

  • a lead comprising two sensors,a processor coupled to the lead, the processor configured to;

    (i) obtain a signal from the lead, and compute a waveform corresponding to the signal, the waveform being characterized by a QRS complex;

    (ii) compute the value of a curvature function at a first point within the QRS complex, wherein the curvature function has a one to one time series correspondence with the waveform, thereby computing a first curvature value;

    (iii) apply a test to detect a pathological heart condition, wherein the test is based on the first curvature value.

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