Luzza F, Consolo A, Oreto G
Department of Clinical Medicine, University of Messina, Italy.
Heart Lung. 1995 Jul-Aug;24(4):312-4. doi: 10.1016/s0147-9563(05)80075-5.
This article reports an example of right bundle branch block occurring on alternate beats in the presence of atrial tachycardia with 2:1 atrioventricular conduction. Analysis of the tracing suggests that the alternate disappearance of right bundle branch block is a manifestation of supernormal bundle branch conduction. The phenomenon is assumed to be caused by retrograde concealed conduction within the bundle branch that is blocked in anterograde direction (the "linking" mechanism).
本文报道了一例在房性心动过速伴2:1房室传导时出现交替性右束支传导阻滞的病例。对心电图的分析表明，右束支传导阻滞的交替消失是超常束支传导的一种表现。该现象被认为是由在顺行方向阻滞的束支内的逆行隐匿性传导（“连接”机制）所致。
