心室三尖瓣峡部的低电压区——典型心房扑动夹带后起搏间隔延长的未被充分认识的原因

IF 2.2 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS

Journal of Arrhythmia Pub Date : 2025-03-11 DOI:10.1002/joa3.70034

Naoko Miyazaki MD, Masato Okada MD, Akinobu Mizutani, Nobuaki Tanaka MD

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引用次数: 0

摘要

起搏后间隔期(PPI)-心动过速周期长度在典型心房扑动（AFL）中很少见。CTI中的低压区（lva）可以产生传导阻滞或改变波前传播，突出了它们在典型AFL中延长PPI的作用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Low voltage areas on the cavotricuspid isthmus—An underrecognized cause of a prolonged post-pacing interval after entrainment of typical atrial flutter

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Low voltage areas on the cavotricuspid isthmus—An underrecognized cause of a prolonged post-pacing interval after entrainment of typical atrial flutter

Post-pacing interval (PPI)-tachycardia cycle length >100 ms after entrainment from the cavotricuspid isthmus (CTI) is rare in typical atrial flutter (AFL). Low-voltage areas (LVAs) in the CTI can create conduction blocks or alter wavefront propagation, highlighting their underrecognized role in prolonged PPI in typical AFL.

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