Left anterior oblique view for evaluation of left atrial size.
D006332:Cardiomegaly / Q000000981:diagnostic imaging*; D004947:Esophagus / Q000000981:diagnostic imaging; D006325:Heart Atria / Q000000981:diagnostic imaging; D006352:Heart Ventricles / Q000000981:diagnostic imaging; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000000981:diagnostic imaging; D008946:Mitral Valve Stenosis / Q000000981:diagnostic imaging; D011187:Posture; D013902:Radiography, Thoracic