Methods 75 cases with paroxysmal symptoms were divided into two groups:the virus myocarditis group( n =40)and the control group( n= 35),both were detected by DCG and ECG.

• 方法 75例有短阵发作症状儿童分为病毒性心肌炎组(n=40)和对照组(n=35),分别监测动态心电图和常规心电图。