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SYSTEMS AND METHODS FOR DETERMINING VENTRICULAR PACING SITES FOR USE WITH MULTI-POLE LEADS

  • US 20110022112A1
  • Filed: 12/16/2009
  • Published: 01/27/2011
  • Est. Priority Date: 07/22/2009
  • Status: Active Grant
First Claim
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1. A method for controlling multi-site ventricular pacing for use by an implantable cardiac rhythm management device equipped with a multi-pole ventricular lead having a plurality of electrodes, the method comprising:

  • determining preliminary multi-site interventricular pacing delays (VVT) for the plurality of electrodes of the multi-pole lead based, at least in part, on multi-site interventricular conduction time delay values (Δ

    ) determined for the electrodes;

    determining multi-site interelectrode pacing delays (IVV) for the plurality of electrodes of the multi-pole lead based the preliminary interventricular pacing delays (VVT);

    determining an order by which the electrodes of the multi-pole lead are to be used to deliver a set of multi-site pacing pulses, with the order determined based on the interelectrode pacing time delays (IVV); and

    delivering multi-site ventricular pacing by delivering a set of pulses using the electrodes of the multi-pole lead in the determined order.

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