System and method for preventing recurrence of atrial tachyarrhythmia
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United States of America Patent
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Oct 25, 2011
Grant Date -
Dec 25, 2008
app pub date -
Aug 25, 2008
filing date -
Sep 14, 2000
priority date (Note) -
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Abstract
A system and method for providing pacing pulses after a cardioversion/defibrillation shock, where the pacing pulses have a pacing rate at an initial value. The pacing rate is decreased from the initial value until at least one intrinsic cardiac contraction is detected. In one embodiment, the pacing rate is decreased by a set amount after pacing a set number of cardiac cycles. Providing the set number of pacing pulses and decreasing the pacing rate by the set amount is then repeated until at least one intrinsic cardiac contraction is detected. An intrinsic cardiac rate is then determined from the at least one intrinsic cardiac contraction. The pacing rate is then increased and maintained to be above (i.e., greater than) the intrinsic cardiac rate.
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