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A 39-year-old member asked:

how big does a brain aneurysm have to be before they opperate on it?

2 doctor answers6 doctors weighed in
Dr. Michael Korona
Interventional Radiology 33 years experience
See: Brainaneurysm.Com and talk to your neurosurgeon.
Dr. Abhineet Chowdhary
Neurosurgery 18 years experience
5mm in most cases: It depends on the location and as well as if it has grown, but 5mm is a good cutoff that many people use while others use 7mm.

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A 25-year-old member asked:

What symptoms will help a doctor diagnose brain aneurysm?

3 doctor answers8 doctors weighed in
Dr. Anthony Mosley
Neurology 24 years experience
Thunderclap headache: Very abrupt onset within a few seconds of a very very severe headache (so called "thunderclap headache") is the most suggestive sign since this is how bleeding into the subarachnoid space (in effect bleeding from annaneurysm) within the cranium announces itself.
A 41-year-old member asked:

Describe the features of a brain aneurysm.?

2 doctor answers6 doctors weighed in
Dr. Bennett Werner
Cardiology 44 years experience
Size & location: It depends on the location, the size, the rate of growth & whether it has leaked or ruptured. Throbbing headaches which stay in one location are common but must be distinguished from migraine. New onset seizure, partial loss of vision or symptoms of stroke are other typical presentations but none are specific. Ct or MRI can rule in/out an aneurysm reliably.
A 36-year-old member asked:

What are the symptoms of brain aneurysm I should be looking for?

2 doctor answers9 doctors weighed in
Dr. Traci Buxton
Family Medicine 23 years experience
Headache: Symptoms of a brain aneurysm include severe headache, neck stiffness, confusion, altered vision, and light sensitivity. If you have any of these symptoms, you should see a physician immediately.
Dr. James Marx
Dr. James Marx commented
Pain Management 48 years experience
Also, any of these symptoms are particularly important if they have never happened before or if they are much, much worse than previously experienced.
Mar 7, 2012
Dr. Steven Giannotta
Neurosurgery 49 years experience
?Some aneurysms run in families. If you are an adult and 2 other relatives have aneurysms, get checked out.
Mar 9, 2012
A 44-year-old member asked:

Since everybody has headaches, what are some unique brain aneurysm risk factors?

2 doctor answers8 doctors weighed in
Dr. Tracy Berg
General Surgery 32 years experience
Severe and recurrant: Like most vascular diagnoses, brain aneurysms are not easy to diagnose. Family history, progressive severe and recurrant headaches should prompt a visit to your doc. A brain scan with IV contrast is usually the test that makes the brian aneurysm diagnosis.
A 45-year-old member asked:

What would you do to decide if you're having a brain aneurysm?

2 doctor answers6 doctors weighed in
Dr. J Roberts
Dr. J Roberts answered
Vascular Surgery 27 years experience
The worst headache..: A bleed in the brain, aka subarachnoid hemorrhage (sah), if it's not initially lethal is usually characterized as "the worst headache of one's life." there are grades 1-5 (hunt-hess). Headache per se is not indicative of cerebral aneurysm. Ct head, cta brain, mra brain are imaging to elucidate the vascular anatomy of one's brain. Diet plays an important role in inducing headache...

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