Post long pause overdrive pacing in response to atrial...

Details Post long pause overdrive pacing in response to atrial... Post long pause overdrive pacing in response to atrial...

2006-10-31

2010-06-01

Evanisko, George R (Department: 3762)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

C607S005000

Reexamination Certificate

active

07729763

ABSTRACT:
This disclosure provides for methods and apparatus for preventing an early recurring atrial fibrillation and atrial flutter (AF) episode (herein “ERAF”). Some aspects of the foregoing involve commencing atrial overdrive pacing therapy delivery at an overdrive pacing rate upon detection of one of: (i) an AF episode and (ii) a relatively long pause between successive sensed P-waves during an AF episode. The AF episode typically has a cycle length interval of between about 100 ms and 300 ms, and the relatively long pause has a duration of between about 40 ms and 100 ms longer than the cycle length of the AF episode. Atrial overdrive pacing is delivered for a relatively short period of time after successful termination of the AF episode. Subsequently, the atrial pacing rate is rapidly decreased until either normal sinus rhythm or a lower programmed pacing rate is reached.

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“Advances in the treatment of atrial tachyarrhythmias: pacing, cardioversion, and defibrillation” by Carsten W. Israel, S. Serge Barold. Edition: illustrated Published by Wiley-Blackwell, 2002 ISBN 0879934972, 9780879934972. pp. 162-163 of 462.
“Perioperative Care in Cardiac Anesthesia and Surgery” by C.H. Davy Cheng ISBN: 9780781757744. Published Nov. 15, 2005. p. 372.
Purerfellner, Helmut, MD, et al: “Reduction of atrial tachyarrhythemia episodes during the overdrive pacing period using the post-mode switch overdrive pacing (PMOP) algorithm” Heart Rhythm, vol. 3, No. 10, Oct. 2006.

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