Automatic LV/RV capture verification and diagnostics

Details Automatic LV/RV capture verification and diagnostics Automatic LV/RV capture verification and diagnostics

2005-12-20

2009-06-30

Manuel, George (Department: 3762)

Surgery

Diagnostic testing

Cardiovascular

C607S009000

Reexamination Certificate

active

07555336

ABSTRACT:
The present invention provides a technique for verifying pacing capture of a ventricular chamber, particularly to ensure desired delivery of a ventricular pacing regime (e.g., cardiac resynchronization therapy or “CRT”). The invention also provides for ventricular capture management by delivering a single ventricular pacing stimulus and checking inter-ventricular conduction during a temporal window to determine if the ventricular pacing stimulus captured the chamber. If a loss-of-capture (LOC) signal results from the capture management testing, then the characteristics of the applied pacing pulses are modified and the conduction test repeated. In the event that the LOC signal persists, a pacing mode-switch to an atrial-based pacing therapy and/or non-bi-ventricular pacing regimen can be implemented.

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