Brain Aneurysm An aneurysm is a bulge or sac formed by the ballooning of the wall of an artery or a vein. An aneurysm can cause a threat to health. It may rupture and bleed in the tissues of the brain, causing serious, even mortal brain damage. This happens because the blood floods the brain and kills the cells. These cells cannot be reproduced. A ruptured aneurysm may also lead to fatal loss of blood …showed first 75 words of 306 total…

…showed last 75 words of 306 total…M.R.I. (magnetic resonance imaging) or a computed tomography (C.T.) scan. The aneurysm can sometimes be small and not cause symptoms. If this is the case the person's should see their doctor regularly to make sure it is not enlarging. Some aneurysms can be removed surgically before they pose a danger. The risk of death is much lower in these cases than if the patient requires emergency surgery because of a ruptured aneurysm.