结论心房起搏频率的改变可影响房室结的有效不应期和传导功能。
Conclusion the atrial pacing rate of change can affect the AV node effective refractory period and conduction in refractory period.
心房、房室结及心室相对不应期、功能不应期及有效不应期(erp)延长。
The relative refractory period, functional refractory period and effective refractory period (ERP) of right atrial, atrioventricular node and right ventricle were increased.
进行慢径路改良，观察手术前后房室结的前传有效不应期和文氏阻滞点的改变。
The anterograde effective refractory period and Wenckebach block point were measured before and after ablation.
组，慢径消融后其快径前传功能不应期和有效不应期缩短不明显，随访期间有5例复发心动过速。
C group, function refractory period and effective refractory period not obviously shortened after slow pathway ablation, tachycardia for 5 patients while following up.
结论腹主动脉结扎大鼠心房纤维化程度增加，P波时限增宽，IACT延长，心房有效不应期没有改变。
Conclusion The extent of atrial fibro sis was increased in abdominal aorta banded rats. Although longer P wave duration and IACT are present, there is no change in atrial effective refractory period.
结果显示：特发性房颤患者的心房有效不应期缩短，相对不应期延长，早搏刺激的房间传导延缓显著增加。
The results showed that patients with IAF had shorter atrial effective refractory periods and longer atrial relative refractory periods, and also longer interatrial conduction delays.
结果显示：特发性房颤患者的心房有效不应期缩短，相对不应期延长，早搏刺激的房间传导延缓显著增加。
The results showed that patients with IAF had shorter atrial effective refractory periods and longer atrial relative refractory periods, and also longer interatrial conduction delays.
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