Abdominal Aortic Aneurysms (AAA) are caused by progressive weakening of the aortic wall creating a “ballooning” of the vessel. What is an Abdominal Aortic Aneurysm? The aorta is the largest blood vessel in the body. It is the main artery that carries blood from the heart to other areas in the body, including the legs and feet. An aneurysm occurs…