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在1972年 Narula 报道,一个诱发的房性早搏,可以跟随一系列的心房激动,其形态及激动顺序与正常的窦性心动相同,他还提出窦房结内折返是这些房性搏动的发生机制并提出了窦房结内折返的诊断标准。嗣后,有几位研究者报道了关于窦房结回波的现象以及符合窦房结内折返标准的房性心动过速的临床病例。但是到目前为止,所报道的持续
Narula, 1972, reports that a presumed atrial premature beat can follow a series of atrial stimuli in the same order and normal order as sinus beats, and he also suggests that sinus node reentry is the mechanism by which these atrial beats occur And proposed the diagnosis of sinus node reentry diagnostic criteria. Later, several researchers reported clinical cases of sinoatrial echo and atrial tachycardia that met the criteria for reentry within the sinus node. But so far reported has continued