Methods: By LAD for rat to have myocardidl ischemia, the changes of myocardial infarct size, the serum creatine phosphokinase (CK), actate dehydrogenase (LDH).

• 方法通过大鼠结扎左冠状动脉前降支(LAD)产生急性心肌梗死模型，观察淫羊藿总苷对实验性心肌梗死的影响。