Snapshot A 73-year-old woman is brought to the emergency room by family members due to intense headache, subjective fever, and altered mental status. She currently lives in an independent living facility and enjoys eating charcuterie and cheese plates. On physical exam, she is oriented to person and place, but not time, a change from her mental baseline, and found to have nuchal rigidity. A lumbar puncture is done and the cerebral spinal fluid is sent for studies. In the meantime, she is started empirically on ceftriaxone, vancomycin, and ampicillin. Introduction Classification login to view 16 more bullets Epidemiology login to view 10 more bullets Pathogenesis login to view 4 more bullets Prevention login to view 1 more bullet Prognosis login to view 1 more bullet Presentation Gastroenteritis login to view 4 more bullets Meningitis login to view 3 more bullets Infection in a pregnant woman login to view 4 more bullets Imaging Brain computed tomography (CT) login to view 6 more bullets Studies Labs login to view 8 more bullets Making the diagnosis login to view 1 more bullet Differential Neisseria meningitis login to view 4 more bullets Treatment Medical login to view 6 more bullets Complications Seizures Fetal loss