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答:在临床电生理检查中,心室早搏刺激后常出现1个或数个非刺激性心室除极波,即心室重复反应(Repetitive ventricular response, RVR)。根据其发生机理分为两种类型:①束支折返型RVR(Bundle branch reentry, BBR-RVR):研究表明BBR-RVR
A: In clinical electrophysiological examination, one or several non-irritating ventricular depolarization waves, ie, Repetitive ventricular response (RVR) often appear after stimulation of premature ventricular contractions. According to its mechanism of occurrence is divided into two types: ① Bundle branch reentrant RVR (BBR-RVR): studies have shown that BBR-RVR