![]() loss of consciousness (this may happen briefly or may be prolonged).When an aneurysm ruptures (bursts), one always experiences a sudden and extremely severe headache (e.g., the worst headache of one's life) and may also develop: ![]() Most cerebral aneurysms do not show symptoms until they either become very large or rupture. Small unchanging aneurysms generally will not produce symptoms.Ī larger aneurysm that is steadily growing may press on tissues and nerves causing: All cerebral aneurysms have the potential to rupture and cause bleeding within the brain or surrounding area. These types of aneurysms are usually detected during imaging tests for other medical conditions. Cerebral aneurysms can occur anywhere in the brain, but most form in the major arteries along the base of the skull. Some cerebral aneurysms, particularly those that are very small, do not bleed or cause other problems. A ruptured aneurysm can cause serious health problems such as hemorrhagic stroke, brain damage, coma, and even death. The bulging aneurysm can put pressure on the nerves or brain tissue. It may also burst or rupture, spilling blood into the surrounding tissue (called a hemorrhage). A cerebral aneurysm (also known as a brain aneurysm) is a weak or thin spot on an artery in the brain that balloons or bulges out and fills with blood.
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