Objective To explore the effects of CaN and NFAT3 protein expression on ventricular remodeling in rats after myocardial infarction and the intervention influence of Yixintai pill on them.Methods Myocardial infarction rat models were prepared and randomly divided into model group,Yixintai group,Kaibotong group,the compound Danshen drop pill group and sham operation group.In addition to model group and sham operation group given with equivalently distilled water by lavage,the other groups were treated with corresponding mediations by lavage.After...