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Is lumbar puncture still needed in suspected subarachnoid hemorrhage after a negative head computed tomographic scan?
Clinical Question:
Is lumbar puncture still needed in suspected subarachnoid hemorrhage with a negative head computed tomographic scan performed within 6 hours of headache onset?
Article Chosen:
Perry JJ, Stiell IG, Sivilotti ML, et al. Sensitivity of computed tomography performed within six hours of onset of headache for diagnosis of subarachnoid haemorrhage: prospective cohort study. BMJ 2011;343:d4277.
Objective:
To determine whether lumbar puncture can be safely omitted after a negative head computed tomographic scan in the workup of a suspected subarachnoid hemorrhage.
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