"Hidden Danger" a case report on interatrial septal aneurysm.

In this case cardiac CT angiography has been the tool for evaluation of atrial septal aneurysm. This cardiac malformation is well identified by echocardiographic techniques and cardiac-MRI sequences. Clinical significance due to left atrial dysfunction and increased thrombo-embolic risk has been described independently and in association to cardiac wall defects as patent foramen ovale.