Cerebral and pulmonary embolic disease in association with an atrial septal aneurysm

This image shows a non-communicative atrial septal aneurysm (ASA),
as seen on trans-oesophageal echocardiography, in a 57-year-old man
with multiple cerebral and pulmonary emboli. He was a non-smoker, with
no risk factors for cardiovascular disease.