The following 3D animated video shows the cause, and potential locations of aortic aneurysms and the formation of an aortic dissection in an easy manner. 0:11:normal anatomy of aorta 1:35:aortic root aneurysm 1:58:symptoms of stable thoracic aneurysm 2:08:symptoms of ruptured thoracic aortic aneurysm 2:31:aortic dissection 3:52:symptoms of thoracic aortic dissection