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Mode transition timing for synchronized pacing

  • US 6,438,421 B1
  • Filed: 12/26/2000
  • Issued: 08/20/2002
  • Est. Priority Date: 12/26/2000
  • Status: Expired due to Term
First Claim
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1. A method for operating a cardiac rhythm management device, comprising:

  • pacing a synchronized pacing site in accordance with a first pacing mode in which the synchronized site is paced at a specified pacing instant defined with respect to expiration of an escape interval which is reset by senses or paces occurring at a rate site;

    transitioning to a second pacing mode in which the synchronized site is paced at an earlier specified pacing instant defined with respect to expiration of an escape interval than in the first pacing mode; and

    , delaying a pace to the synchronized site during a cardiac cycle in which the transition occurs if the pacing instant occurs at a pacing interval less than a specified minimum pacing interval.

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