Subarachnoid hemorrhage
Overview
Subarachnoid hemorrhage, a medical emergency, is usually from a bulging blood vessel that bursts in the brain (aneurysm). It may lead to permanent brain damage or death if not treated promptly.
Symptoms
The main symptom is a sudden, severe headache.
Treatments
Hospital care is needed for supportive care and to stop bleeding and limit brain damage. Treatment may include surgery or catheter-based therapy.
