Meningitis

Question 1

Meningitis risk factors

Answer 1

.< 1 year and > 65 years
.Unvaccinated
.Anatomical or functional asplenia
.Immunocompromised
.Pregnancy
.Chronic sinusitis

Question 2

Most common aseptic meningitis

Answer 2

Gungal. Often caused by cryptococcus species

Question 3

Most common causative bacteria for community acquired meningitis in ages 2-50 years

Answer 3

S. pneumoniae and N. meningitidis

Question 4

3 most common encapsulated pathogens that cause meningitis

Answer 4

. Streptococcus pneumoniae
. Neisseria meningitidis
. Haemophilus influenzae type B

Question 5

Who is at risk for listeria virulence?

Answer 5

Immunocompromised and exposed to listeria.
Extremes in age, alcoholism, chronic corticosteroids, diabetes, cirrhosis, pregnancy, ckd

Question 6

CSF presentation of bacterial meningitis

Answer 6

. Cloudy and turbid
. Increased opening pressure (250 or greater)
. WBC 1000 or greater
. Neutrophils predominant cell type (80% or greater)
. High CSF protein
. Low CSF glucose