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Pacemaker programmer-based automatic retrograde conduction measurement

  • US 5,476,482 A
  • Filed: 04/12/1994
  • Issued: 12/19/1995
  • Est. Priority Date: 04/12/1994
  • Status: Expired due to Term
First Claim
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1. A method of automatically confirming the presence of retrograde conduction in a pacemaker patient comprising the steps of:

  • (a) generating a series of first ventricular pacing pulses and sensing a succeeding atrial beat,(b) measuring intervals between each of said first ventricular pacing pulses and said succeeding sensed atrial beat,(c) determining whether said intervals are consistent,(d) if said intervals are consistent, then generating several second ventricular pacing pulses in a manner that reduces the effect of retrograde conduction, and(e) confirming that retrograde conduction is present only if, while step (d) is performed, atrial beats are not sensed after one of said intervals following said second ventricular pacing pulses.

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