A subdural hematoma is different from a brain bleed caused by a leaking or ruptured brain aneurysm (a bulge in a brain artery), as bleeding aneurysms cause bleeding in the subarachnoid space.

A sentinel headache is a sudden, severe headache that can indicate a medical emergency. Learn about the symptoms, causes, ...

The headaches are a normal aspect of the recovery process and gradually resolve as the subarachnoid blood dissipates. Use of a standardized pain assessment scale provides a consistent method to ...

Patients who experience a nonaneurysmal subarachnoid hemorrhage differ from patients who suffer an aneurysmal subarachnoid hemorrhage in initial presentation (including neurological examination ...