Evaluation of the recumbent esophagogram in the early detection of left atrial enlargement.
D006332:Cardiomegaly / Q000175:diagnosis*; D009202:Cardiomyopathies; D002318:Cardiovascular Diseases; D004947:Esophagus / Q000000981:diagnostic imaging*; D006801:Humans; D011859:Radiography
CARDIAC ENLARGEMENT/diagnosis; ESOPHAGUS/radiography