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Controlled delivery of intermittent stress augmentation pacing for cardioprotective effect

  • US 8,611,998 B2
  • Filed: 09/22/2011
  • Issued: 12/17/2013
  • Est. Priority Date: 05/06/2005
  • Status: Active Grant
First Claim
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1. A cardiac rhythm management device, comprising:

  • a pulse generator for incorporation into a pacing channel for delivering pacing pulses to a selected ventricular myocardial site;

    a controller for controlling the delivery of pacing pulses in accordance with a programmed pacing mode;

    wherein the controller is programmed to switch from a normal operating mode to a stress augmentation mode in which a particular region or regions of the ventricular myocardium are subjected to increased mechanical stress as compared with the stress experienced by those regions during the normal operating mode; and

    ,wherein the controller is programmed to switch to the stress augmentation mode upon expiration of a timer and to cease operating in the stress augmentation mode upon expiration of a specified time period; and

    ,wherein the controller is programmed to adjust one or more escape intervals when switching to the stress augmentation to increase the frequency of pacing.

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