患者邹某,男性,38岁,住院号191033。因胸闷、心慌不适1周于1983年5月24日入院。住院前2周有受凉流清鼻、腿困乏力等症状。1.入院即刻描记的ECG:可见有两种不同形态的室性异位搏动,都具有并行的特点(图1)。QRS 中R 波较高尖(XA 标记)的一组(第5、8、16、18个QRS 波)的异位搏动间期分别为:2.46秒、9.8秒、1.64秒,三者间有一最大公约数0.82秒。QRS 中R 波较低 Patient Zoumou, male, 38 years old, hospital number 191033. Due to chest tightness, palpitation 1 week in May 24, 1983 admitted. 2 weeks before admission there are cold flow of clear nose, leg fatigue and other symptoms. 1. ECG immediately admitted to hospital: There are two different forms of ventricular ectopic beats, have parallel characteristics (Figure 1). QRS in the R wave higher (XA marker) of a group (5,8,16,18 QRS wave) of the ectopic beat interval were: 2.46 seconds, 9.8 seconds, 1.64 seconds, there is a maximum between the three The convention number of 0.82 seconds. R wave in QRS is low