what is aneurysm
An aneurysm or aneurism (from Greek: á¼Î½ÎµÏÏÏÏÎ¼Î±, aneurysma, dilation, from á¼Î½ÎµÏÏÏÎ½ÎµÎ¹Î½, aneurynein, to dilate) is a localized, blood-filled balloon-like bulge in the wall of a blood vessel.n aneurysm or aneurism (from Greek: á¼Î½ÎµÏÏÏÏÎ¼Î±, aneurysma, dilation, from á¼Î½ÎµÏÏÏÎ½ÎµÎ¹Î½, aneurynein, to dilate) is a localized, blood-filled balloon-like bulge in the wall of a blood vessel.
An aneurysm (AN-u-rism) is a balloon-like bulge in an artery. Arteries are blood vessels that carry oxygen-rich blood to your body. Arteries have thick walls to withstand normal blood pressure.However, certain medical problems, genetic conditions, and trauma can damage or injure artery walls.n aneurysm can grow large and rupture (burst) or dissect. A rupture causes dangerous bleeding inside the body. A dissection is a split in one or more layers of the artery wall. The split causes bleeding into and along the layers of the artery wall. Both rupture and dissection often are fatal.