Pleocytosis
Increased WBC in CSF
2 most common bacterial meningitis
teen- Neisseria Meningitidis (G- oo)
adult- Strep Pneumoniae (G+ oo)
Acid fast bacilli
TB
Bacterial meningitis
Reduced glucose, elevated protein
CSF antibodies
IgA
Neonatal meningitis organisms
Group B strep
Listeria
E. coli K1
Leukemia/Immunosuppression meningitis organism
Listeria
Nosocomial meningitis organism
Staph, Pseudomonas
Viral meningitis organism
Enterovirus (echo, coxsackie)
HIV meningitis organism
Cryptococcus
RBCs in CSF
Herpes encephalitis (necrotizing)
Brain abscess imaging
Ring enhancing lesion