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METHOD AND APPARATUS FOR DETECTING ARRHYTHMIAS IN A SUBCUTANEOUS MEDICAL DEVICE

  • US 20070233196A1
  • Filed: 03/16/2007
  • Published: 10/04/2007
  • Est. Priority Date: 03/29/2006
  • Status: Active Grant
First Claim
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1. A method of detecting a cardiac event in a medical device, comprising:

  • sensing cardiac signals from a plurality of electrodes, the plurality of electrodes forming a first sensing vector and a second sensing vector different from the first sensing vector;

    determining a characteristic associated with cardiac signals sensed along the first sensing vector during a predetermined sensing window;

    determining the characteristic associated with cardiac signals sensed along the second sensing vector during the predetermined sensing window;

    comparing the determined characteristic associated with cardiac signals sensed along the first sensing vector and the determined characteristic associated with cardiac signals sensed along the second sensing vector; and

    delivering a therapy in response to the comparing.

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