Results Antiarrhythmic effect of COE may be related to its prolongation of action potential duration, increase of the absolute value of resting potential and a decrease of autonomy of sinus node.

• 结果山茱萸提取液抗心律失常作用可能与延长心肌动作电位、增大静息电位绝对值和降低窦房结自律性有关。其抗心律失常的有效部位为总有机酸和一种未知的微量成分。