Objective To explore the effect of Yangxin decoction on NO and NOS content in serum and pathomorphism changes in rabbit with myocurdial iscnemia.

• 目的观察养心汤对家兔心肌缺血模型血清一氧化氮(NO)及其合酶(NOS)含量、心肌病理形态学改变,探讨其治疗不稳定型心绞痛的确切作用机制。