Computed tomography and lumbar puncture.
D001930:Brain Injuries / Q000175:diagnosis; D002493:Central Nervous System Diseases / Q000175:diagnosis; D002543:Cerebral Hemorrhage / Q000175:diagnosis; D006801:Humans; D007239:Infections / Q000175:diagnosis; D013129:Spinal Puncture; D014057:Tomography, X-Ray Computed