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本文通过室性早搏(简称室早)定位与临床诊断对照来评价其定位的临床意义。根据室早的QRS形态进行定位;V_1呈左束支阻滞型者为右室室早;V_1呈右束支阻滞型者为左室室早;室早电轴右偏大于+100°或呈左后半阻滞者为左室前壁室早;室早电轴左偏大于-30°或呈左前半阻滞者为左室后壁室早。除定位外还对室早的QRS时间与早搏后改变进行观察。结果发现:(1) 无心脏病者右室室早占82.4%。室早的QRS时间≤0.13秒者占76.4%,未见到双室室早。心脏
In this paper, ventricular premature beats (referred to as premature ventricular) positioning and clinical diagnosis of control to evaluate the clinical significance of its location. According to QRS morphology of premature ventricular positioning; V_1 was left bundle branch block type right ventricle early; V_1 right bundle branch block type for the left ventricular early; ventricular premature right axis greater than +100 ° or The left posterior chamber block for the left ventricular anterior chamber early; early left ventricular axis deviation greater than -30 ° or left anterior chamber block for the left ventricular posterior chamber early. In addition to the positioning of ventricular premature ventricular QRS also observed changes after the change. The results showed that: (1) 82.4% of right ventricular early without heart disease. Room early QRS time ≤ 0.13 seconds accounted for 76.4%, did not see the double room early. heart