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持续性室性心动过速(室速)与心室颤动(室颤)的电生理基础不同。作者研究心肌梗塞后时域信号叠加心电图预测室速与猝死的差别。332例急性心肌梗塞,出院前记录信号叠加心电图。其正常值为:滤波后的总QRS时限(tQRS)
Persistent ventricular tachycardia (VT) and ventricular fibrillation (VF) electrophysiological basis. The authors study the time-domain signal superimposed ECG after myocardial infarction to predict the difference between VT and sudden death. 332 cases of acute myocardial infarction, recording signal superimposed before discharge ECG. The normal values are: filtered total QRS time limit (tQRS)