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Subarachnoid Hemorrhage - Case 6

A healthy 22 year-old woman developed a sudden, severe headache. Her neurologic examination was non-focal.

Outline the Subarachnoid Blood

Axial CT Scans without contrast: Looking closely, note the bright area in one sulcus which signifies blood. Spontaneous subarachnoid hemorrhage is most often caused by a ruptured aneurysm.  They usually present with hemorrhage and signs of increased intracranial pressure.  Sometimes, a relatively minor bleed will occur before a massive bleed, known as a sentinel bleed. In this case, a subsequent angiogram showed a left posterior communicating artery aneurysm.


Revised 04/30/06.
The Electronic Curriculum is copyrighted 1998,  Case Western Reserve University School of Medicine.