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

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...

Sudden headache: Brain aneurysms are usually undetected except when they rupture. When this happens it is cataclysmic with the sudden onset of the "worst headache of ones life". This can lead to neck stiffness, sensitivity to light, nausea/vomiting, coma. The headache is often described as a "thunderclap" headache. Immediate medical attention shoudl be sought.