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36只犬导管电击房室交界区改变了以往要求电击形成后较稳定的完全性房室传导阻滞的方法,电击后无论形成Ⅰ°、Ⅱ°或Ⅲ°房室传导阻滞均停止电击,这可明显提高恢复1:1房室传导的百分率。电击后形成部分传导阻滞,逐渐恢复1:1房室传导的犬,其房室传导功能较电击前明显下降。在一定范围内减少电击量对恢复1:1房室传导的百分率无明显影响,但导管电击房室交界区偶尔引起室颤似与每次电击能量较大有关。
36 canine electrical shock atrioventricular junctional area changed the previous requirements of the formation of shock after a more stable complete atrioventricular block method, regardless of the formation of shock after the formation of Ⅰ °, Ⅱ ° or Ⅲ ° atrioventricular block were shock, This can significantly improve the recovery of 1: 1 atrioventricular conduction percentage. The formation of partial conduction block after the shock, and gradually restored 1: 1 atrioventricular conduction of the atrioventricular conduction function was significantly reduced before the shock. Within a certain range to reduce the amount of shock on the recovery of 1: 1 atrioventricular conduction percentage had no significant impact, but the catheter shock atrioventricular junction area caused by occasional ventricular fibrillation and each shock energy is relatively large.