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Dual chamber pacing system and method with continual adjustment of the AV escape interval so as to maintain optimized ventricular pacing for treating cardiomyopathy

  • US 5,749,906 A
  • Filed: 12/03/1996
  • Issued: 05/12/1998
  • Est. Priority Date: 02/21/1995
  • Status: Expired due to Term
First Claim
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1. A method of operating a pacemaker in a non-tracking mode adapted to apply when said pacemaker is implanted in a patient with a heart having atrial events, comprising:

  • (a) delivering ventricular pace pulses to a patient without a timed relationship to atrial events,(b) lengthening a V--V escape interval of delivered ventricular pace pulses, and determining when one or more said lengthened interval delivered ventricular pace pulses fail to result in fall capture of the ventricle, and(c) shortening said V--V escape interval in response to a determination of such a failure.

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