Acute headache if leaking; w/progression to altered level of consciousness
Other localizing sx if pushes on a nearby structure
Physical Exam Findings
Aneurysms can be asymptomatic, w/o findings (i.e. not ruptured)
Ordiscrete loss of function if compresses adjacent structures (e.g. posterior communicating artery aneurysm can compress CN3→ double vision, other findings)
Leak or rupture can range from severe pain to altered level of consciousness