Objective: To study the protective effect of NO precursor L arginine (L arg) on myocardium in rats with acute myocardial ischemia and its mechanism.

• 目的 :探讨NO的前体左旋精氨酸 (L arg)对急性心肌缺血 (AMI)大鼠心肌有无保护作用及其作用机制。