Detection and Treatment Guide Updated 2017 Detection-and-Treatment-2017 | Page 27

Subarachnoid hemorrhage (SAH) Bleeding into the space around the brain (the subarachnoid space). Vasospasm A potential delayed complication of a ruptured aneurysm in which blood vessels in the brain spasm, or narrow, limiting blood flow to vital areas of the brain. This can result in stroke or brain tissue damage. NOTES The content of this booklet was reviewed by members of the Brain Aneurysm Foundation Medical Advisory Board, September 2017. 26