title: Echocardiographic detection of the enlarged left atrium.
mesh_terms: D000293:Adolescent; D006332:Cardiomegaly / Q000175:diagnosis*; D002648:Child; D002675:Child, Preschool; D004452:Echocardiography; D005260:Female; D006325:Heart Atria; D006330:Heart Defects, Congenital / Q000175:diagnosis; D006801:Humans; D008297:Male