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System and method to reduce defibrillation requirements

  • US 5,797,967 A
  • Filed: 09/27/1996
  • Issued: 08/25/1998
  • Est. Priority Date: 09/27/1996
  • Status: Expired due to Term
First Claim
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1. A method of treating cardiac arrhythmia, comprising application by an implantable pacing electrode system of at least one exogenous pacing level shock to at least one region of fibrillating myocardium of selected cardiac tissue, any such region being characterized by a 1:

  • 1 phase lock of a local electrogram of that region to a stimulus artifact in that region, such that invasion of intrinsic fibrillation wavefronts into at least one region of fibrillating myocardium is prevented.

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