Shensongyangxin capsule decreased the inward current of IK1 by 33.1% when test potential was -100 mV,but which had little effect on the reversal potential and the rectified property.

• 当药物浓度0.；5%25时；可以使大鼠心肌细胞IK1内向成分降低；使-100mV时IK1电流密度从(-10