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.
INSERM U633, Faculté de Médecine René Descartes, Hôpital Européen Georges Pompidou, Pôle Cardiovasculaire, 20 rue Leblanc, Paris 75015, France. emmanuel.messas@free.fr