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Atrial pacing and sensing in cardiac resynchronization therapy

  • US 6,701,186 B2
  • Filed: 09/13/2001
  • Issued: 03/02/2004
  • Est. Priority Date: 09/13/2001
  • Status: Expired due to Fees
First Claim
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1. A method for providing resynchronization therapy to a heart, comprising:

  • (a) determining whether to allow the heart to proceed at a natural pulse rate;

    (b) if it is determined at step (a) that the heart should proceed at a natural pulse rate, then sensing a natural depolarization event with a first electrode in a right atrium, not stimulating the left atrium without monitoring for a depolarization within the left atrium, but subsequently stimulating one or more ventricular walls with at least a second electrode during a cardiac cycle; and

    (c) if it is determined at step (a) that the heart should not proceed at a natural pulse rate, then stimulating a left atrium with a third electrode without monitoring for a (depolarization within the left atrium and subsequently stimulating one or more ventricular walls with at least the second electrode during a cardiac cycle.

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