doi：10.3969/j.issn.1007-614x.2014.17.62

    摘要心律失常(cardiac arrhythmia)是指心脏冲动的频率、节律、起源部位、传导速度或激动次序的异常。房室交界性心律及三度房室传导阻滞都为缓慢性心律失常，心电图的诊断与鉴别对疾病的治疗与预后都有重要的临床意义。本文阐述了房室交界性心律及三度房室传导阻滞的心电图特点、诊断及预后，旨在加强对两种疾病的认识，以指导临床。

    关键词心律失常房室交界性心律三度房室传导阻滞心电图的诊断及鉴别

    ECG diagnosis and differential diagnosis of atrioventricular junctional rhythm with three degree atrioventricular block

    Dong Guihong

    Emergency Department，Baoshan Hospital of Chifeng，Inner Mongolia 024076

    AbstractCardiac arrhythmia refers to the abnormal cardiac impulse frequency ......