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Apparatus and method for pacing mode switching during atrial tachyarrhythmias

  • US 7,142,918 B2
  • Filed: 12/26/2000
  • Issued: 11/28/2006
  • Est. Priority Date: 12/26/2000
  • Status: Expired due to Term
First Claim
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1. A method for operating a cardiac pacemaker, comprising:

  • sensing atrial depolarizations through an atrial sensing channel and generating atrial sense signals in accordance therewith;

    sensing ventricular depolarizations through one or more ventricular sensing channels and generating ventricular sense signals in accordance therewith;

    pacing a ventricle in accordance with a particular primary pacing mode; and

    ,switching the pacemaker to an atrial fibrillation pacing mode upon detection of an atrial tachyarrhythmia, wherein the atrial fibrillation mode includes ventricular resynchronization pacing delivered in a biventricular inhibited demand mode with a selected biventricular offset interval.

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