心肌炎是由各种感染或其他原因引起的心肌间质炎症细胞浸润和邻近的心肌细胞坏死,导致心功能障碍和其他系统损害的疾病。最常见的是病毒性心肌炎,其病理特征为心肌细胞的坏死或变性,有时病变也可累及心包或心内膜。儿童期的发病率尚不确切。1病因引起儿童心肌炎的常见病毒有柯萨奇病毒(B组和A组)、埃可病毒、脊髓灰质炎病毒、腺病毒、传染性 Myocarditis is caused by a variety of infections or other causes of myocardial interstitial inflammatory cell infiltration and adjacent myocardial cell necrosis, leading to heart dysfunction and other diseases of the system damage. The most common is viral myocarditis, whose pathological features are necrosis or degeneration of cardiomyocytes, and sometimes lesions that can also affect the pericardium or endocardium. The incidence of childhood is not clear. 1 common causes of childhood myocarditis caused by Coxsackie virus (B and A), echovirus, polio, adenovirus, infectious