Objective:To explore the effect of Chaihu Sanshen capsule on the expression of ryanodine receptors(RyR)2 in myocardial cells of ischemic arrhythmia rats,and to provide experimental basis for the clinical application of Chaihu Sanshen capsule.Methods:A total of 60 Wistar rats were randomly divided into sham operation group,model group,blank group,Chaihu Sanshen capsule group,Shensong Yangxin capsule group and verapamil group,10 rats in each group.After corresponding intervention for 10 days,the blank group was left without any treatment,the sham operation group only had thoracotomy without liga...