Subarchnoid Hemorrhagic
What is it?
Subarachnoid hemorrhage refers to bleeding that occurs in the space between the surface of the brain and the skull. A common cause of subarachnoid hemorrhagic stroke is a burst aneurysm or the rupture of an ateriovenous malformation
Causes
Subarachnoid hemorrhage is most often caused by
- Cerebral Aneurysms; abnormalities of the arteries at the base of the brain where there are small areas of rounded or irregular swellings in the arteries. Where the swelling is most severe; the blood vessel wall become weak and prone to rupture, or
- Arteriovenous Malformations; a congenitally malformed tangle of thin-walled blood vessels.
Who gets it?
Anyone with abnormalities of the arteries or blood vessels. Subarachnoid hemorrhage can occur at any age. No one is immune. A famous notable is Actress Sharon Stone whom has had a subarachnoid hemorrhage
More Information on Subarchnoid Hemorrhagic
References
Bogousslavsky, J. & Caplan, L. R. (2001). Stroke Syndromes (2nd ed) Cambridge, Mass.: Cambridge University Press
Caplan, L. R. (2000) Caplan's Stroke: A Clinical Approach (3rd ed.). Boston: Butterworth Heinemann
Valenstein, E, Stroke A Synopsis
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