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Subcutaneous Cardiac Signal Discrimination Employing Non-Electrophysiologic Signal

  • US 20110098587A1
  • Filed: 01/03/2011
  • Published: 04/28/2011
  • Est. Priority Date: 04/11/2003
  • Status: Active Grant
First Claim
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1. A device, comprising:

  • an implantable housing;

    a plurality of subcutaneous non-intrathoracic electrodes configured to sense a plurality of electrical signals;

    a sensor that senses a non-electrophysiologic signal; and

    a signal processor provided in the housing and coupled to the sensor and the plurality of subcutaneous non-intrathoracic electrodes, the processor configured to initiate a detection window at a start time determined from use of the non-electrophysiologic signal, and to identify a cardiac signal from the plurality of electrical signals using the detection window.

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