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What is a brain aneurysm and why is it deadly?

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The annual rate of rupture is approximately 8 – 10 per 100,000 people or about 30,000 people in the United States suffer a brain aneurysm rupture. There is a brain aneurysm rupturing every 18 minutes. Ruptured brain aneurysms are fatal in about 40% of cases. read more

A brain aneurysm is a weakness in a blood vessel in the brain. Blood collects in this weak spot, causing the blood vessel to enlarge. Unfortunately, brain aneurysms themselves are asymptomatic. read more

Several things, including your medical history and lifestyle, can increase your odds of a brain aneurysm. That includes atherosclerosis, a disease in which fat builds up inside the wall of your arteries (blood vessels that deliver oxygen-rich blood throughout your body). read more

The arteries in the brain occasionally develop a weak spot or bulge, which is called an aneurysm. The concern is that it can burst or rupture at that weak spot, causing blood to leak into the brain, a brain aneurysm hemorrhage. A rupture is very serious, often fatal or leaving permanent paralysis and disability. read more

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What is a brain aneurysm and why is it deadly? - Quora
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