title: Possible false-positive diagnosis of pericardial effusion by echocardiography in presence of large left atrium.
mesh_terms: D006328:Cardiac Catheterization; D006332:Cardiomegaly / Q000150:complications* / Q000000981:diagnostic imaging; D002932:Cineangiography; D003951:Diagnostic Errors; D004452:Echocardiography; D005189:False Positive Reactions; D005260:Female; D006325:Heart Atria / Q000000981:diagnostic imaging; D006352:Heart Ventricles / Q000000981:diagnostic imaging; D006801:Humans; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000150:complications / Q000000981:diagnostic imaging; D010490:Pericardial Effusion / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging; D014159:Transducers