Objective To investigate the protective effects of preadministration of puerarin in different doses on pituitrin(Pit)-induced myocardial ischemia and lesion in rats.

• 目的 探讨不同剂量葛根素预处理对垂体后叶素(pituitrin,Pit)诱导的大鼠心肌缺血及损害的保护作用。