Disease Information for Subarachnoid hemorrhage: Definition

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  • Hemorrhage within the intracranial or spinal subarachnoid space, most often resulting from INTRACRANIAL ANEURYSM rupture or CRANIOCEREBRAL TRAUMA (see also SUBARACHNOID HEMORRHAGE, TRAUMATIC); Clinical features include HEADACHE; NAUSEA; VOMITING, nuchal rigidity, variable neurologic deficits, intraocular subhyaloid hemorrhages, and a reduced level of consciousness which may progress to coma or death; Spasm of intracranial arteries (see VASOSPASM, INTRACRANIAL) frequently accompanies this condition and may lead to BRAIN ISCHEMIA or CEREBRAL INFARCTION---(From N Engl J Med 1997 Jan 2;336(1):28-40)---------------

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