房性早搏(简称房早)位于前一心动的ST段上尚能下传者比较少见,而同时伴有折返途径内的逆转型文氏现象和房室传导中的干扰性文氏现象者更为少见,现有一例如下 患者男性,50岁,临床诊断;风湿性心脏病,心电图描记,基本心律为窦性,频率为90-107次/分。p波顶峰平坦,略有切迹, Atrial premature beats (referred to as room early) is located in the heart of the previous ST segment can still be less than those who can be downloaded, but at the same time with the reversing pathways within the reversal of Wen’s phenomenon and atrioventricular conduction in the phenomenon of disturbing Wen’s more For rare, the existing one case of the following patients male, 50 years old, clinical diagnosis; rheumatic heart disease, electrocardiogram, basic sinus rhythm, frequency of 90-107 beats / min. p wave peak is flat, a slight notch,