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。
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。
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。
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