Pulmonary Vein Antrum Isolation and Terminal Part of the P Wave

Background:  Delayed interatrial conduction, manifested on the electrocardiogram as a P wave ≥110 ms (interatrial block, IAB), is highly prevalent and associated with atrial fibrillation (AF). It is correlated with P‐terminal force (Ptf; product of the duration and amplitude of the negative terminal phase of the P wave in lead V1). Our purpose was to describe the modifications of the P‐wave duration and Ptf after pulmonary vein antrum isolation (PVAI) in patients with paroxysmal AF.

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