title: Pericardial effusion causing echocardiographic mimicking of left intra-atrial thrombus.
abstract: A 71-year-old woman presented with dyspnoea and irregular tachycardia. Investigation revealed the presence of pericardial effusion and left intra-auricular mass. The patient was sent to the operation theatre and after pericardial drain, the intra-atrial mass disappeared with retroactive diagnosis of left atrial appendage invagination.
authors.affiliation: INSERM U633, Faculté de Médecine René Descartes, Hôpital Européen Georges Pompidou, Pôle Cardiovasculaire, 20 rue Leblanc, Paris 75015, France. emmanuel.messas@free.fr
authors.forename: Emmanuel
authors.initials: E
authors.lastname: Messas
authors.forename: Catherine
authors.initials: C
authors.lastname: Szymanski
authors.forename: Jean Noël
authors.initials: JN
authors.lastname: Fabiani
authors.forename: Michel
authors.initials: M
authors.lastname: Desnos
authors.forename: Albert
authors.initials: A
authors.lastname: Hagege
mesh_terms: D000368:Aged; D020517:Atrial Appendage / Q000000981:diagnostic imaging* / Q000503:physiopathology / Q000601:surgery; D003328:Coronary Thrombosis / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000503:physiopathology / Q000601:surgery; D003937:Diagnosis, Differential; D005260:Female; D006325:Heart Atria / Q000000981:diagnostic imaging* / Q000503:physiopathology / Q000601:surgery; D006801:Humans; D010490:Pericardial Effusion / Q000150:complications* / Q000000981:diagnostic imaging / Q000503:physiopathology / Q000601:surgery; D014463:Ultrasonography