Subarachnoid Hemorrhage

Subarachnoid Hemorrhage

What is Subarachnoid Hemorrhage?

The subarachnoid space is the area between two of the meninges (Arachnoid and pia mater) that cover the brain. This space normally contains a fluid called the cerebrospinal fluid.

Bleeding into this space takes place from a rupture of an aneurysm of a blood vessel or an arteria-venous malformation.

Clinical Features

1. Adults of age 25-50 years
2. Onset sudden
3. Severe headache, vomiting.
4. Unconsciousness and coma.
5. Convulsions.
6. Erratic breathing.
7. Stiff neck is present.


Immediately evacuate to a hospital. Treatment is usually surgical. Residual brain damage is invariably present.