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折返环内文氏传导延迟所致隐匿性期前收缩。

Concealed extrasystoles due to Wenckebach conduction delay within the reentry loop.

作者信息

Kerin N Z, Levy M N, Goldberg L B, Rubenfire M

出版信息

Clin Cardiol. 1979 Jun;2(3):217-9. doi: 10.1002/clc.4960020308.

DOI:10.1002/clc.4960020308
PMID:92383
Abstract

Long electrocardiographic strips were analyzed from an aged patient whose heart rhythm had periods of unifocal ventricular extrasystoles with fixed coupling intervals. Periods of gradual prolongation of the coupling interval finally led to omission of a ventricular premature beat. This sequence was repetitive and is considered to be the results of reentrant extrasystoles with a 3:2 Wenckebach type of conduction delay within the reentry loop. The mechanism of concealed conduction due to overlong propagation within the reentry loop is discussed.

摘要

对一名老年患者的长心电图条带进行了分析,该患者的心律存在单源性室性期前收缩,其配对间期固定。配对间期逐渐延长,最终导致室性早搏漏搏。这一序列具有重复性,被认为是折返性期前收缩的结果,在折返环内存在3:2文氏型传导延迟。文中讨论了折返环内传导过长导致隐匿性传导的机制。

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