The aortic aneurysm is an abnormal dilatation or widening of a portion of the aorta. It is usually caused by a hardening of the arteries. It is the most common pathology of people with high cholesterol, proposed hypertension or smokers. Aneurysms develop slowly for years; Its symptoms are accentuated when the aneurysm grows rapidly, opens or when the blood seeps along the aortic wall, in what is known as aortic dissection. Treatment will depend on the location of the aneurysm.