title: The electrocardiographic recognition of left atrial enlargement in childhood.
mesh_terms: D006332:Cardiomegaly / Q000175:diagnosis* / Q000000981:diagnostic imaging; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D006321:Heart / Q000000981:diagnostic imaging / Q000503:physiopathology; D006325:Heart Atria; D006330:Heart Defects, Congenital / Q000175:diagnosis / Q000000981:diagnostic imaging; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D011859:Radiography; D012016:Reference Values; D012680:Sensitivity and Specificity