Introduction to Meningitis Flashcards Preview

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Flashcards in Introduction to Meningitis Deck (21)
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1

Best test for meningitis

LP

2

What types of viruses are most often associated with meningitis?

enteroviruses

3

What types of viruses are enteroviruses?

RNA viruses

4

What are the 3 big bacteria in meningitis?

Neisseria meningitidis (young people)
Streptococcus pneumonia (adults)
HIB

5

N. meningitidis gram

Gram -
diplococcus

6

S. pneumonia gram

Gram +
diplococci
lancet shape

7

HIB gram

Gram -
coccoid rod

8

TORCH infections

most common in perinatal infections

9

Group B strep and pregnancy relation

moms screened in 3rd trimester, may have vertical transmission to infant

10

E. coli K1 strain gram

Gram -
rod

11

LPS is found in what class of organisms

Gram -

12

What type of stain do you use to find micobacterium

acid fast

13

What organisms might be associated with disseminated lung infections?

Tb, Cryptococcus neoformans

14

Characteristics of nonseptic meningitis syndrome

fever, headache, photophobia

15

What does LP of nonseptic meningitis look like?

elevated lymphocytes and monocytes, slight increase in protein

16

In what population is N. meningitidis most common?

young people

17

In what population is S. pneumonia most common?

adults

18

Lipooligosaccharide

from N. meningitidis
mimics sphingolipids--recognized as self
activates NO, hypotension and shock
IL-1 release, fever
can activate disseminated intravascular coagulation ==> prurutic rash

19

What organism spreads through dorms?

N. meningitidis

20

N. meningitidis definitive Tx

ceftriaxone

21

This organism may cause subsequent hearing loss

HiB