=======CNS Infections======

=====Cell Counts=====
  * WBC: 1000-2000
  * Protein: >200
  * Glucose: <40
  * Protein: 

  * Pleocytosis: subtract 1 WBC for every 500 RBCs

=====Gram Stain=====
  * GP diploccoci - pneumococcal
  * GN diploccoci - meningococcal
  * GP rods and coccobacilli - listeria
  * Small pleomorphic GN coccobacilli - H. flu

=====TB meningitis=====
  * Mycobacteria from CSF
  * Minimum of 3 LPs