Expansion of the left atrial appendage is a distinctive cross-sectional echocardiographic feature of congenital defect of the pericardium.
A case report of a congenital defect of the pericardium in which the cross-sectional appearance of a prominent left atrial appendage is similar to the previously reported angiographic diagnostic appearance.
D000328:Adult; D003937:Diagnosis, Differential; D004452:Echocardiography / Q000379:methods*; D006325:Heart Atria / Q000503:physiopathology*; D006801:Humans; D008297:Male; D009200:Myocardial Contraction; D010496:Pericardium / Q000002:abnormalities*