title: Massive dilatation of the atria and coronary sinus in a child with restrictive cardiomyopathy and persistence of the left superior vena cava.
mesh_terms: D006328:Cardiac Catheterization; D006332:Cardiomegaly / Q000209:etiology; D009202:Cardiomyopathies / Q000175:diagnosis*; D002675:Child, Preschool; D004452:Echocardiography; D005260:Female; D006325:Heart Atria / Q000002:abnormalities*; D006333:Heart Failure / Q000209:etiology; D006801:Humans; D014683:Vena Cava, Superior / Q000002:abnormalities*