Novel analysis of ventriculoatrial interval prolongation during a narrow QRS tachycardia using a right atrial nondecremental-midseptal accessory pathway
HeartRhythm Case Reports（2021）
摘要
It is well known as Coumel’s sign1 that a ventriculoatrial (VA) interval is prolonged during an orthodromic atrioventricular (AV) reentrant tachycardia (AVRT) with appearance of a functional bundle branch block (BBB) ipsilateral to a free wall AV accessory pathway (AP). Also, a slant AP has a characteristic altering a VA interval dependent on ventricular pacing sites.2,3
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关键词
Accessory atrioventricular pathway,Coumel’s sign,Electrophysiology,Orthodromic atrioventricular reentrant tachycardia,Paradoxically premature atrial capture,Radiofrequency catheter ablation,Right mid-septum,Supraventricular tachycardia,Ventriculoatrial interval prolongation
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