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“顺时针”和“逆时针”束支折返作为持续性室性心动过速伪装成室上性心动过速的一种机制。

"Clockwise" and "counterclockwise" bundle branch reentry as a mechanism for sustained ventricular tachycardia masquerading as supraventricular tachycardia.

作者信息

Wang P J, Friedman P L

机构信息

Clinical Electrophysiology Laboratory, Brigham and Women's Hospital, Boston, Massachusetts 02115.

出版信息

Pacing Clin Electrophysiol. 1989 Aug;12(8):1426-32. doi: 10.1111/j.1540-8159.1989.tb05058.x.

DOI:10.1111/j.1540-8159.1989.tb05058.x
PMID:2476768
Abstract

A 35-year-old man presented with a regular tachycardia having a typical right bundle branch block morphology. Electrophysiological testing revealed inducible tachycardia exhibiting counterclockwise as well as clockwise bundle branch reentry, leading to left and right bundle branch block morphologies. The disappearance of spontaneous episodes of these tachycardias following resolution of right bundle branch block in the resting electrocardiogram suggested that slow conduction in the right bundle branch played an essential role in the tachycardia circuit.

摘要

一名35岁男性表现为规则性心动过速,具有典型的右束支传导阻滞形态。电生理检查显示可诱发的心动过速,呈现逆时针以及顺时针束支折返,导致左束支和右束支传导阻滞形态。静息心电图中右束支传导阻滞消失后,这些心动过速的自发发作消失,提示右束支的缓慢传导在心动过速环路中起重要作用。

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Left bundle-branch block with right axis deviation--a unique aberrancy during supraventricular tachycardia.左束支传导阻滞伴电轴右偏——室上性心动过速期间一种独特的差异性传导。
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