• Can J Emerg Med · Mar 2013

    Multicenter Study

    Can the combination of a negative computed tomography result and a negative lumbar puncture safely exclude the diagnosis of subarachnoid hemorrhage in patients with thunderclap headache?

    • Mohammed Aref Malabarey and David Barbic.
    • Can J Emerg Med. 2013 Mar 1; 15 (2): 113-5.

    Clinical QuestionHow many patients who had a negative computed tomography and lumbar puncture result on initial evaluation were diagnosed with subarachnoid hemorrhage in the subsequent 6 months to 3 years?Article ChosenPerry J, Spacek A, Forbes M, et al. Is the combination of negative computed tomography result and negative lumbar puncture result sufficient to rule out subarachnoid hemorrhage? Ann Emerg Med 2008;51:707-13.ObjectiveTo determine the sensitivity of both a negative computed tomography and a negative lumbar puncture in ruling out subarachnoid hemorrhage.

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