If the person has neurological findings, corresponding to weak spot, on examination, neuroimaging could also be considered. If the headache is sudden onset (thunderclap headache), a computed tomography take a look at to look for a mind bleed (subarachnoid hemorrhage) must be carried out. If the CT scan doesn’t show a bleed, a lumbar puncture should be accomplished to look for blood within the CSF, as the CT scan may be falsely negative and subarachnoid hemorrhages could be fatal. If there are indicators of an infection such as fever, rash, or stiff neck, a lumbar puncture to look for meningitis …