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从１６５０例动态心电图中检出室性心动过速（室速）３３例，检出率为２％，２４ｈ室速发作频度≤１０次者２９例，多于１０次者４例，最多１例为１５６６次。３３例室速患者中患冠心病、心肌炎和心肌病等２６例（７８．８％）。室速由Ｒ落Ｐ诱发１４例（４２．４％），Ｒ落Ｔ１例（３．０％）。活动时发生室速１３例（３９．４％），其中１２例（９２．３％）有器质性心脏病。室速时频率为７４～２３０次／ｍｉｎ，平均１２９．３次／ｍｉｎ。早搏指数小于１。提示动态心电图对检出室速、尤其对患器质性心脏病者有重要临床意义，应重视Ｒ落Ｐ诱发室速现象。
Twenty-three cases of ventricular tachycardia (ventricular tachycardia) were detected from 1650 cases of ambulatory electrocardiogram, with a detection rate of 2%. Twenty-nine patients had ventricular tachycardia episodes less than 10 times in 24 hours, more than 10 times in 4 cases and 1 Example is 1566 times. Twenty-six patients (78.8%) had coronary heart disease, myocarditis and cardiomyopathy in 33 patients with VT. VT was induced by R fall P in 14 cases (42.4%), R fall T1 cases (3.0%). Ventricular tachycardia occurred in 13 cases (39.4%), of which 12 cases (92.3%) had organic heart disease. Ventricular frequency of 74 ~ 230 times / min, an average of 129.3 times / min. Premature beats index is less than 1. Prompt Holter detection of ventricular tachycardia, especially for patients with organic heart disease have important clinical significance, should pay attention to R fall P-induced VT phenomenon.