Common cause of meningitis

Question 1

Newborn 6 months

Answer 1

GBS
E coli
Listeria*

Question 2

Children 6mo to 6yrs

Answer 2

S pneumo
N. meningitidis
H influenza type B
Enterovirus (piconavirus)

Question 3

6 to 6 years

Answer 3

S pneumo
N meningitidis (1st in teens)
Enterovirus
HSV

Question 4

> 60 yrs

Answer 4

S pneumo
Gram negative rods
Listeria*

Question 5

What drug to give empirically?

Answer 5

Ceftriaxone and vanc

Add ampicillin if listeria suspected

Question 6

Viral causes of meningitis

Answer 6

enterovirus (coxsackievirus)
HSV2 (HSV1=encephalitis!!!)
HIV
West Nile
VSV

Question 7

HIV meningitis

Answer 7

crypto, CMV, toxo (brain abscess), JC virus (PML)

Question 8

CSF finding

Answer 8

Viral: normal/high OP, high lymph, normal/high protein, normal sugar

Bacterial: high OP, high PMN, high protein, low sugar

Fungi/TB: high OP, high lymph, high protein, low sugar