Right atrial appendage aneurysm complicated with atrial septal defect: A rare case report

Right atrial appendage aneurysms (RAAAs) are rare heart malformations, presenting as isolated anomalies or co‐existing with other structural heart diseases. We describe a rare case of RAAA complicated with an atrial septal defect (ASD). The diagnosis was established using transthoracic echocardiography and confirmed using cardiac magnetic resonance imaging. To treat the ASD and reduced right atrium volume load, ASD transcatheter closure was...