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对４６例扩张型心肌病和１１２例病毒性心肌炎患儿的病程、症状、体征、心电图、心腔大小、心功能、心室收缩协调性、血抗ＣｏｘＢＩｇＭ、抗心肌线粒体抗体、心肌酶进行了比较，发现上述指标对两种疾病的鉴别均无特异性。临床实践中必须综合上述指标，才能对扩张型心肌病和病毒性心肌炎进行正确的鉴别。上述指标中，病程长、病情重、心脏大、心功能差、心室收缩协调性差有助于扩张型心肌病的诊断；病程短、早搏、房室传导阻滞、抗ＣｏｘＢＩｇＭ阳性、抗心肌抗体阳性、心肌酶增高，有助于病毒性心肌炎的诊断。
The course, symptoms, signs, electrocardiogram, cardiac size, cardiac function, ventricular systolic coordination, blood anti-CoxBIgM, anti-myocardial mitochondrial antibodies and myocardial enzymes in 46 patients with dilated cardiomyopathy and 112 patients with viral myocarditis were compared , Found that the above indicators of the identification of the two diseases are not specific. Clinical practice must be combined above indicators in order to correct the differential diagnosis of dilated cardiomyopathy and viral myocarditis. The above indicators, a longer duration, severe illness, cardiac, cardiac dysfunction, poor coordination of ventricular systolic dysfunction contribute to the diagnosis of dilated cardiomyopathy; short course, premature beats, atrioventricular block, anti-CoxBIgM positive, anti-myocardial antibodies positive , Elevated myocardial enzymes, contribute to the diagnosis of viral myocarditis.