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SYSTEMS AND METHODS FOR OPTIMIZING VENTRICULAR PACING DELAYS DURING ATRIAL FIBRILLATION

  • US 20110022106A1
  • Filed: 07/22/2009
  • Published: 01/27/2011
  • Est. Priority Date: 07/22/2009
  • Status: Active Grant
First Claim
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1. A method for controlling the delivery of cardiac pacing therapy by an implantable cardiac rhythm management device for use with patients subject to atrial fibrillation, the method comprising:

  • detecting atrial fibrillation (AF) within the patient, and in response to detecting AF performing the following;

    determining a first degree of variation within intervals between ventricular events sensed by the device on a first channel and preceding ventricular events sensed on a second channel;

    determining a second degree of variation within intervals between ventricular events sensed by the device on the first channel and subsequent ventricular events sensed on the second channel; and

    controlling ventricular pacing based, at least in part, on a comparison of the first and second degrees of variation.

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