Methods:20 dogs of myocardial ischemia randomly were divided into the control group and the Di Huang Yin Zi,The parameter of hemodynamics were measured,befre and after treatment.

• 方法20只心肌缺血模型犬随机分为对照组、单硝酸异山梨酯组及地黄饮子组,治疗组用地黄饮子,对照组用单硝酸异山梨酯作为对照,服药前后观察心血管血液动力学各参数的影响。