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观察11例阵发性室上性心动过速(PSVT)患者口服300～400mg氟卡胺的临床电生理特征。结果表明,氟卡胺对心脏传导系统有明显的抑制作用,尤以HV间期最突出。对复极无影响。用药前后PSVT诱发率由10/11降至5/11。对VA传导抑制明显。
Eleven cases of paroxysmal supraventricular tachycardia (PSVT) were observed in patients with oral 300 ~ 400mg flecainide electrophysiological characteristics. The results showed that flecainide had a significant inhibitory effect on the cardiac conduction system, especially the most prominent HV interval. No effect on repolarization. PSVT induction rate before and after treatment dropped from 10/11 to 5/11. Inhibition of VA conduction obvious.