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1·AIM: to evaluate the effect of captopril on action potential duration and outward delayed rectification potassium current (Ik).

目的：探讨卡托普利对豚鼠心肌细胞动作电位间期及延迟整流钾电流的作用。

2·ConclusionTanshinone not only reverses the myocardial hypertrophy, but also reduces calcium influx and shorten action potential duration which are beneficial to prevent arrhythmia.

结论丹参酮能够在抗心肌肥厚的同时通过减少钙内流、缩短动作电位时间，起到预防心律失常的作用。

3·CONCLUSION: Captopril exerts electrophysiologic action due to decreasing delay outward rectification potassium current and prolonging action potential duration of APD30, APD50 and ERP.

结论：卡托普利具有的电生理作用是由于它降低外向延迟整流钾电流及延长APD30、APD50和ERP。

4·Methods Effects of quinidine and verapamil on the alteration of action potential duration induced by aconitine were studied by use of the whole cell patch clamp techniques in rat ventricular myocytes.

方法应用全细胞膜片钳技术记录乌头碱对大鼠心肌细胞动作电位时程的作用，分别给予奎尼丁、维拉·帕米处理比较二者对动作电位时程的影响。

5·It is quite different between burst discharge and normal action potential in amplitude, duration and interval.

爆发性放电与正常放电相比，在振幅、持续时间和间隔时间等方面都有着明显的差别。