An aneurysm refers to ballooning out of the aorta which causes aortic wall weakening. The aortic wall may continue to further expand or remain unchanged, but close surveillance is necessary. As the ...

An ascending aortic aneurysm ... visualized the proximal portion of the aorta, however not the aortic arch and only minimal portions of the descending thoracic aorta. Transesophageal ...