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Curvature based method for selecting features from an electrophysiologic signals for purpose of complex identification and classification

  • US 20040127806A1
  • Filed: 12/12/2003
  • Published: 07/01/2004
  • Est. Priority Date: 10/31/2000
  • Status: Active Grant
First Claim
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1. A cardiac rhythm management system, comprising:

  • at least one electrode;

    a signal sensing circuit coupled to the electrode to sense a cardiac signal, the cardiac signal having signal complexes;

    a controller coupled to the sensing circuit, wherein the controller receives the sensed cardiac signal, and wherein the controller includes;

    memory to store signal complexes and to store sets of predetermined templates, the predetermined templates including sets of template zones; and

    an analyzing module, the analyzing module to compute curvatures at sample points on the sensed cardiac signal, wherein the analyzing module extracts features from the computed curvatures and classifies the signal complexes by comparing the extracted features to the template zones of the predetermined templates.

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