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Method and system for preventing atrial fibrillation by rapid pacing intervention

  • US 6,650,938 B2
  • Filed: 04/27/2001
  • Issued: 11/18/2003
  • Est. Priority Date: 04/27/2001
  • Status: Active Grant
First Claim
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1. A method of pacing cardiac tissue using an implantable medical device, comprising:

  • determining a first fibrillation-indicative interval based on a first fibrillation indicative event;

    determining a first adjusted pacing interval, wherein the first adjusted pacing interval is shorter than the first fibrillation-indicative interval;

    pacing the cardiac tissue based on the first adjusted pacing interval;

    determining if the cardiac tissue is captured by pacing at the first adjusted pacing interval;

    if the cardiac tissue is not captured, determining an additional fibrillation indicative interval based on an additional earlier fibrillation-indicative event;

    determining an additional adjusted pacing interval, wherein the additional adjusted pacing interval is shorter than the additional fibrillation-indicative interval; and

    pacing the cardiac tissue based on the additional adjusted pacing interval to reduce atrial fibrillation.

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