An aneurysm is a bulge or weakness in a blood vessel. Small aortic aneurysms don’t need to be treated, but larger ones will need surgery in case they burst.
Aortic dissection is a rare but serious condition where there is a tear in the innermost wall of the aorta — the largest artery in the body.
An aneurysm is a bulge in an artery or vein caused by a weakened vessel wall. Learn about the types of aneurysm, its symptoms and how it's treated.