Objective: To explore the changes of myocardial mitochondrial structure and ionic pump functions in mice infected with coxsackie virus B 3(CVB 3), and to observe the interventional effect of astragalus membranceus.

• 目的 :观察柯萨奇病毒B3 (CVB3 )感染小鼠心肌线粒体结构和离子泵活性的变化 ,以及黄芪的治疗作用。