What are the symptoms?
Most people with brain aneurysm may not experience any symptom until it ruptures or becomes fairly large. Up to 40% of the people experience ‘sentinel headaches’ days to weeks before the aneurysm rupture. This is due to small ‘warning leak’ from the aneurysm.
A large aneurysm may exert pressure on a nerve or surrounding brain tissue and may cause pupillary dilatation, visual disturbance, numbness, weakness, or paralysis on one side of the face or eye pain.
At the time of aneurysm rupture, the following may occur:
(Any of these symptoms can be very serious. Emergency medical attention should be sought immediately).
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