Dilated cardiomyopathy (DCM) is characterized by the dilatation of left ventricle or biventrical accompanied by the impairment of the contractile force.

• 扩张型心肌病(DCM)以左心室或双心室扩张及收缩功能受损为特征,其发病机理主要与病毒感染后的自身免疫反应有关。