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In some cases, the onset of the headache leads to a loss of consciousness. However, migraines and aneurysms are not connected.
Experiencing migraine headaches does not put you at risk for a brain aneurysm. What is a brain aneurysm? Facts about aneurysms Aneurysms vary in size.
What symptoms should you look out for? Source: bafound. A brain aneurysm can leak or rupture, causing bleeding into the brain hemorrhagic stroke. Most often a ruptured brain aneurysm occurs in the space between the brain and the thin tissues covering the brain. This type of hemorrhagic stroke is called a subarachnoid hemorrhage. Most brain aneurysms, however, don't rupture, create health problems or cause symptoms. Such aneurysms are often detected during tests for other conditions.
Treatment for an unruptured brain aneurysm may be appropriate in some cases and may prevent a rupture in the future. Talk with your caregiver to ensure you understand the best options for your specific needs.
A sudden, severe headache is the key symptom of a ruptured aneurysm. This headache is often described as the "worst headache" ever experienced. In some cases, an aneurysm may leak a slight amount of blood. This leaking sentinel bleed may cause only a:.
An unruptured brain aneurysm may produce no symptoms, particularly if it's small. However, a larger unruptured aneurysm may press on brain tissues and nerves, possibly causing:. If you're with someone who complains of a sudden, severe headache or who loses consciousness or has a seizure, call or your local emergency number. Brain aneurysms develop as a result of thinning artery walls. Aneurysms often form at forks or branches in arteries because those sections of the vessel are weaker.
Although aneurysms can appear anywhere in the brain, they are most common in arteries at the base of the brain. And the challenge with rupture is that it's unpredictable. Bernard Bendok says a ruptured aneurysm is a medical emergency that can cause life-threatening bleeding in the brain.
Fast treatment is essential. Bendok says 1 to 2 percent of the population have aneurysms, and only a small percentage of that group will experience a rupture. People who have a family history of aneurysms, have polycystic kidney disease, connective tissue disease, and people who smoke are at increased risk of rupture, and should consider screening. If a rupture happens, fast treatment can save lives.
A number of factors can contribute to weakness in an artery wall and increase the risk of a brain aneurysm or aneurysm rupture. Brain aneurysms are more common in adults than in children and more common in women than in men.
Some types of aneurysms may occur after a head injury dissecting aneurysm or from certain blood infections mycotic aneurysm. Selected conditions that date to birth can be associated with an elevated risk of developing a brain aneurysm.
These include:. When a brain aneurysm ruptures, the bleeding usually lasts only a few seconds. The blood can cause direct damage to surrounding cells, and the bleeding can damage or kill other cells.
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