Acute Subarachnoid Hemorrhage(Archived)
- PMID: 30085517
- Bookshelf ID: NBK518975
Acute Subarachnoid Hemorrhage(Archived)
Excerpt
A subarachnoid hemorrhage (SAH) results from a medical aneurysmal rupture or traumatic head injury. SAH occurs in the subarachnoid space between the arachnoid membrane and the pia mater that surrounds the brain. Patients typically experience a "thunderclap-like" severe headache; however, only 10% of patients presenting to the emergency department with complaints of a headache have an SAH. Other associated symptoms may include neck pain, nausea/vomiting, and photophobia. This is often a devastating clinical event with substantial mortality and high morbidity among survivors. See Image. Head CT Revealing Subarachnoid Hemorrhage.
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