Effects of abrupt changes in cycle length on refractoriness of the His-Purkinje system in man.

Abstract

Abrupt changes in cycle length (CL) occur frequently in the clinical setting of atrial fibrillation. However, the effects of such changes on the His-Purkinje system (HPS) have not previously been considered during aberrant ventricular conduction (VAb). In 12 patients who manifested VAb with atrial premature stimulation (A2) during sinus rhythm, the relative… (More)

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