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System and method for providing improved atrial pacing based on physiological need

  • US 7,720,537 B2
  • Filed: 07/31/2006
  • Issued: 05/18/2010
  • Est. Priority Date: 07/31/2006
  • Status: Active Grant
First Claim
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1. A method comprising:

  • operating an implantable medical device (IMD) having atrial and ventricular pacing capabilities according to a ventricular pacing protocol (VPP) wherein ventricular pacing is precluded in a given cardiac cycle wherein a ventricular event was sensed in an immediately prior cardiac cycle;

    providing atrial pacing according to an atrial pacing mode parameter at an atrial pacing rate; and

    periodically comparing the atrial pacing rate to an intrinsic atrial rate;

    relying upon the intrinsic atrial rate below the atrial pacing rate by withholding atrial pacing if a first condition is met.

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