OBJECTIVE To observe and analyze the clinical features of acute viral myocarditis(VMC)caused by Coxsackie B so as to provide references for clinical treatments in different phases.METHODS Totally 96 cases of patients with acute viral myocarditis from Jan.to Dec.2013 were chosen as observation group and were detected by CBV marker.They were compared with the control group with 100 healthy people.The status of CBV was observed.Patients were divided into infection group with 49 cases and non-infection group wi...