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室性心动过速是较快速连续出现3个或3个以上的异位室性搏动,其病因、临床症状、治疗及预后等很不一致,在临床上分为以下六型。(一)阵发性室性心动过速:是临床常见的类型,常移行于室性早搏之后,其QRS、T波形与发作前后出现的室性早搏波形一致,即QRS波宽大畸形、时限>0.12秒、有继发性T波改变,因而常被称为早搏性室
Ventricular tachycardia is a relatively rapid succession of three or more than three ectopic ventricular beats, its etiology, clinical symptoms, treatment and prognosis are very inconsistent in the clinical classification is divided into the following six types. (A) paroxysmal ventricular tachycardia: is a common clinical type, often moving in the premature ventricular contractions after its QRS, T waveform and premature ventricular premature ventricular contractions appear waveform, that QRS large wave deformity, the time limit> 0.12 seconds, there are secondary T wave changes, which is often referred to as premature beats chamber