Micro14

Question 1

Common Causes of Meningitis:

- Newborn (0 - 6 months)

Answer 1

Group B streptococci
E. coli
Listeria
Coxsackievirus B (fecal-oral)
H. influenza (unimmunized)

Question 2

Common Causes of Meningitis:

- Children (6 mo - 6 years)

Answer 2

Streptococcus pneumoniae
Neisseria meningitidis
Haemophilus influenza type B
Enteroviruses

Question 3

Common Causes of Meningitis:

- 6 - 60 years

Answer 3

Streptococcus pneumoniae
N. meningitidis (#1 in teens)
Enteroviruses
HSV

Question 4

Common Causes of Meningitis:

- >60 years

Answer 4

Streptococcus pneumoniae
Gram-Negative Rods
Listeria (unpasteurized milk)

Question 5

Common Causes of Meningitis:

- HIV patients

Answer 5

Cryptococcus
CMV
Toxoplasmosis (brain abscess)
JC virus (PML)

Question 6

Viral Causes of Meningitis.

Answer 6

Enteroviruses (Esp. Coxsackievirus)
HSV-2 (HSV-1 = encephalitis)
HIV
West Nile Virus
Varicella Zoster

Question 7

How do you treat Meningitis empirically?

Answer 7

Ceftriaxone + Vancomycin (add Ampicillin if Listeria is suspected)