Enjoji Yoshihisa, Mizobuchi Masahiro, Shibata Kensaku, Ono Tsuyoshi, Funatsu Atsushi, Kanbayashi Daisuke, Kobayashi Tomoko, Nakamura Shigeru
Cardiovascular Center, Kyoto Katsura Hospital, Kyoto, Japan.
Pacing Clin Electrophysiol. 2006 Dec;29(12):1438-41. doi: 10.1111/j.1540-8159.2006.00560.x.
We report a rare case of bundle branch reentrant ventricular tachycardia [BBRVT]. A 67-year-old female was admitted for management of wide QRS tachycardia (right bundle branch block [RBBB] and a southwest axis). The mapping procedure revealed the tachycardia circuit consisted of the left anterior fascicle (LAF) as an antegrade, and the right bundle as a retrograde pathway. She presented RBBB during sinus rhythm. LAF ablation changed the tachycardia configuration to a northwest axis and prolonged the cycle length. Left posterior fascicle ablation terminated the tachycardia, and complete atrioventricular block occurred, which showed the unidirectional conduction over the right bundle.
我们报告了一例罕见的束支折返性室性心动过速[BBRVT]病例。一名67岁女性因宽QRS波心动过速（右束支传导阻滞[RBBB]和电轴指向西南）入院治疗。标测过程显示心动过速环路由作为前向传导支的左前分支（LAF）和作为逆向传导支的右束支组成。她在窦性心律时表现为RBBB。LAF消融使心动过速形态变为电轴指向西北，并延长了心动周期。左后分支消融终止了心动过速，并出现了完全性房室传导阻滞，这表明右束支存在单向传导。
