What is the most common symptom of a SAH?
What structures limit the extent of a EDH?
Most common cause of a SAH?
Ruptured berry aneurysm (85%)
A hemorrhage within the subarachnoid space, secondary to rupture of a berry aneurysm in the lateral base of the calvarium is depicted. Note that the blood is not confined by sutures (extradural) and is not contained between dural layers (subdural).