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Defibrillation threshold prediction methods and systems

  • US 20070043395A1
  • Filed: 08/22/2005
  • Published: 02/22/2007
  • Est. Priority Date: 08/22/2005
  • Status: Active Grant
First Claim
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1. A method comprising:

  • delivering a first nondefibrillating and nonfibrillation-inducing energy at a first internal thoracic location;

    detecting a first resulting electrical signal at a second internal thoracic location in or near a target region of a heart, the first resulting electrical signal providing an indication of a first electric field strength in the target region; and

    estimating a defibrillation threshold using the first nondefibrillating and nonfibrillation-inducing energy, the first resulting electrical signal, and a target electric field strength at the target region of the heart.

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