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thunderclap headache

 

Definition: sudden severe nonlocalizing head pain not associated with any abnormal neurologic findings; of varied etiology, including subarachnoid hemorrhage, migraine, carotid or vertebral artery dissection, cavernous sinus thrombosis, and idiopathic causes.

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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