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４７例并行性室性心动过速中，３５例见于正常心脏（占７４．５％），发病常由过度疲劳、精神紧张诱发，易被利多卡因、普罗帕酮控制，２９例随访结果预后良好。
Among the 47 cases with concurrent ventricular tachycardia, 35 cases were found in normal heart (74.5%). The incidence was often induced by fatigue and stress, and was easily controlled by lidocaine and propafenone. The prognosis of follow-up in 29 cases good.