...录了正常、主动脉狭窄(band)及假手术对照(sham)组动物左心室游离壁内、外膜下心肌细胞的动作电位时程(action potential duration,APD)和ICa-L°结果显示:(1)与sham组同龄的正常小鼠左心室心内膜下细胞动作电位复极达90%的时程...
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肌细胞的动作电位时程 action potential duration
目的：研究自发性高血压大鼠（SHR）左心室肌细胞动作电位时程延长的膜离子流基础。
Objective: To study the membrane ionic basis of action potential prolongation of hypertrophied left ventricular myocytes in spontaneously hypertensive rats (SHR ).
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。
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.
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