After fedding Yixin Capsule for 5d Preventedly, to ligate forward-Descending branch of left coronary artery and observe the changes of NO and NOS of Serum and Myocardium.

• 灌胃结束后；开胸结扎家兔左冠状动脉前降支；建立心肌缺血动物模型；观察血清及心肌组织NO和NOS的变化。结果:模型组、益心胶囊组、通心络组与假手术组比较；心肌组织NO及NOS含量均有明显降低(P<0.；05);