Subarachnoid hemorrhage

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In medicine a subarachnoid hemorrhage, is an intracranial hemorrhage that is "bleeding into the intracranial or spinal subarachnoid space, most[ly] resulting from intracranial aneurysm rupture. It can occur after traumatic injuries (subarachnoid hemorrhage, traumatic). clinical features include headache; nausea; vomiting, nuchal rigidity, variable neurological deficits and reduced mental status."^[1]

Diagnosis[edit]

A subarachnoid hemorrhage should be considered in patients in the emergency room with any of the following features:^[2]

• age of 40 or more years
• neck pain or stiffness
• loss of consciousness
• onset of headache with exertion
• arrival by ambulance
• vomiting
• systolic blood pressure >160 mm Hg or diastolic blood pressure >100 mm Hg

References[edit]