Subarachnoid Hemorrhage
Overview
Subarachnoid hemorrhage is bleeding into the space around the brain, often caused by rupture of a cerebral aneurysm. This is a neurologic emergency that requires immediate diagnosis, stabilization, and specialized neurocritical care.
Symptoms
Symptoms may include:
- Sudden, severe headache.
- Neck pain or stiffness.
- Nausea and vomiting.
- Loss of consciousness.
- Weakness or speech difficulty.
What happens in the hospital
Evaluation may include:
- Emergency CT of the head.
- Vascular imaging such as CTA.
- Neurocritical care monitoring.
- Evaluation for aneurysm or another bleeding source.