The autopsy findings: An examination of the woman's cranium revealed a subarachnoid hemorrhage — bleeding in the space between the brain and a layer of tissue surrounding it. Blood had pooled to a ...

Subarachnoid hemorrhage (SAH) is the extravasation of blood into the subarachnoid space between the pial and arachnoid membranes. The most common causes of spontaneous SAH are rupture of a saccular ...