Method and apparatus for providing extra systolic stimulation
AssigneeMedtronic, Inc.
InventorsRichard P. M. Houben, Berthold Stegemann, Richard Cornelussen
Life of this patent
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Abstract
An implantable medical device and associated method control the delivery of extra systolic stimulation by determining a coupling interval, setting an extra systolic interval in response to the coupling interval; and delivering a supraventricular stimulation pulse upon expiration of the extra systolic interval. The supraventricular stimulation pulse evokes a depolarization that is conducted to the ventricles occurring at a ventricular coupling interval relative to a ventricular event.
Claims5
A method of cardiac stimulation using a device comprising a means for delivering atrial stimulation pulses and a means for determining timing of ventricular depolarizations, comprising:
- measuring a conduction time between a delivered atrial stimulation pulse and a resultant following ventricular depolarization;
- determining a desired coupling interval between ventricular depolarizations and following ventricular extrasystolic depolarizations;
- and
- subsequently delivering an atrial pacing pulse following given ventricular depolarizations at intervals following the given ventricular depolarizations equal to the desired coupling interval minus the measured conduction time.
Dependencies are inferred from the claim text.