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SYSTEMS FOR MITIGATING THE OCCURRENCE OF ARRHYTHMIA DURING ATRIAL PACING
SYSTEMS FOR MITIGATING THE OCCURRENCE OF ARRHYTHMIA DURING ATRIAL PACING
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机译:心律失常期间减轻心律失常发生的系统
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摘要
Noncaptured atrial paces can result in long-short cardiac cycles which are proarrhythmic for ventricular tachyarrhythmia. Approaches are described which are directed to avoiding proarrhythmic long-short cycles. For cardiac cycles in which the atrial pace captures the atrium, a first post ventricular refractory period (PVARP) and a first A-A interval are used. For cardiac cycles in which the atrial pace does not capture the atrium, both an extended PVARP and an extended A-A interval are used. The A-A interval following a noncaptured atrial pace is extended from an atrial depolarization sensed during the extended PVARP.
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