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自从Smirk在1949年与1960年报道R落在T上(下称RonT)现象的室性早搏可以引起猝死及以吞Dolara、Lown等发现RonT型室早可以诱发室速室颤以来,这种传统的认识近年来已遇到挑战。好多学者通过临床观察发现RonT型室早对预告室速与室颤均不敏感,而R落在P上型室早(下称Ronp)引起室速明显高于RonT型者。笔者遇到二例Ronp型室早引起室速,其中一例发生Ronp10次仅三次诱发了室速,其发作与冠状动脉供血不足关系密切,特报道如下。
Since Smirk reported in 1949 and 1960 that R premature ventricular ejection induced by the phenomenon of T (hereinafter referred to as RonT) can cause sudden death and swallow Dolara, Lown et al. Found that the RonT-type chamber could induce ventricular fibrillation long before, In recent years, the understanding has encountered challenges. Many scholars found through clinical observation RonT type room as early as the prediction of ventricular tachycardia and ventricular fibrillation are not sensitive, and R fall in the P type early (referred to as Ronp) caused by VT was significantly higher than the RonT type. I encountered two cases of Ronp-type room early caused by ventricular tachycardia, one case of Ronp10 times only induced ventricular tachycardia three times, the attack is closely related to coronary insufficiency, especially reported as follows.