用浮置式细胞内微电极法引导在位灌流乌龟心脏心室肌细胞动作电位，观察高钾、高钙的单独作用及相互作用。

Using floating microelectrode, we have been able to record the action potential of ventricular cells of the tortoise and observed the effect of high potassium and high calcium on it.

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方法采用离体蛙心灌流法观察独一味提取物对离体心脏的收缩力、心输出量和心率的影响。

MethodsWith isolated heart irrigation technique, the effects of Herba Lamiophlomis extract on the cardiac contractility, cardiac output and heart rate were investigated.

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