Objective:Explore if terbutaline can attenuate myocardial ischemia–reperfusion Injury,if so,clear its mechanism.Methods:32 healthy male SD rats were divided into four groups randomly and equally, sham group, I/R group, terbutaline group, and terbutaline+L-NAME group, builded myocardial ischemia–reperfusion injury mode, and given different disposal methods according to the experiment. HE stain method was used to observe cardiomyocyte status under light microscope; protein expression of Bcl-2,Bax,and eNOS was...