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Cardiac rhythm management system with arrhythmia classification and electrode selection

  • US 20050203581A1
  • Filed: 05/10/2005
  • Published: 09/15/2005
  • Est. Priority Date: 12/20/2001
  • Status: Active Grant
First Claim
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1. An implantable cardiac rhythm management device for coupling to a plurality of electrodes for association with a heart, the device including:

  • a cardiac signal detector circuit, for coupling to the electrodes;

    an energy output circuit, coupled to at least one of the electrodes; and

    a controller, coupled to the cardiac signal detector and the energy output circuit, the controller including;

    an arrhythmia detector module, to detect an arrhythmia;

    an arrhythmia classifier module, to classify the detected arrhythmia into an arrhythmia classification that specifies;

    (a) a sequence in which the heart contraction depolarization is received by at least two of the electrodes, and (b) a value of a difference between the times at which the heart contraction depolarization is received by the at least two electrodes;

    a therapy map, providing an antiarrhythmia therapy corresponding to the arrhythmia classification; and

    a control signal to be issued to the energy output circuit for delivering a selected antiarrhythmia therapy corresponding to an arrhythmia classification.

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