lung, brain, bone, GI bugs Flashcards Preview

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Flashcards in lung, brain, bone, GI bugs Deck (57)
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1

normal flora of skin

staph epidermidis

when in blood: can cause bacteremia, endocarditis

2

normal flora of nose

staph epidermidis
staph aureus

MRSA can colonize in nose!

3

normal flora of oral cavity

anaerobes
staph
viridans group strep: s. mutans in cavities and dental plaques →if abnormal heart valve + dental procedure →endocarditis

4

normal flora of colon

anaerobe: bacteroides fragilis (most abundant)
e.coli: can enter vagina/urethra → UTI

5

normal flora of vagina

lactobacillus: converts glycogen → lactic acid (↓ pH - 4.0-4.5)
e.coli
aneorobes
staph: GBS (s. agalactiae) → if vertical transmission: neonatal sepsis, meningitis, or pneumonia
strep

6

causes of pneumonia in neonates (

GBS
E.coli
less common:
chlamydia trachomatis: long incubation (onset 4-12 wks later)
HSV

7

causes of pneumonia in children (4 wk-18 yr)

RSV (most common viral cause)
s. pneumoniae (most common bacterial cause)
school-aged children = atypicals:
mycoplasma pneumoniae
chlamydophila pneumoniae

8

causes of pneumonia in adults (18-65 yr)

s. pneumoniae
H. influenzae
influenza virus (older adults >40 yo)
atypicals:
mycoplasma pneumoniae (younger adults

9

causes of pneumonia in elderly (>65 yo)

s. pneumoniae
H. influenzae
influenza virus
s. aureus
anaerobes
G- rods: e.coli (fecal matter)

10

type of pneumonia in alcoholic patient

s. pneumoniae (most common)
klebsiella pnuemoniae: thick bloody sputum "currant jelly sputum"
aneoraboes: aspiration

11

type of pneumonia in patient with decreased level of consciousness (aspiration pneumoniae)

anaerobes

12

type of pneumonia in patient with CF

pseudomonas

13

type of pneumonia in patient with HIV and CD4

pneumocystis jirovecii

14

type of pneumonia in post-influenza

s. pneumoniae (most common)
s. aureus (know this one!, severe, fatal)

15

type of pneumonia acquired from patio-cooling water mister

legionella pneumophila (think with any water source)

16

type of pneumonia after travel to SW US

coccidioides immitis (fungus)

17

type of pneumonia after exposure to bird/bad droppings in Ohio/Mississippi River valleys

histoplasma capsulatum

18

type of pneumonia due to pet parrot

chlamydophila psittaci

19

causes of meningitis in neonates (

GBS
E.coli
listeria monocytogenes

20

causes of meningitis in infant + children (

S. pneumoniae (most common cause in all patient)
N. meningitidis
H. influenzae type B
enterovirus: coxsackie

21

causes of meningitis in 6-60 yo

S. pneumoniae
N. meningitidis (healthy, teenager-young adult)
enterovirus

22

causes of meningitis in elderly (60+ yo)

s. pneumoniae
listeria monocytogenes
G- rods

23

meningitis in unvaccinated child

H. influenzae type B

24

meningitis in outbreak in dorm

N. meningitidis

25

meningitis in patient with HIV

cryptococcus neoformans (stains with india ink)

26

RBC in CSF + temporal lobe involvement on MRI

HSV encephalitis

27

meningitis with petechial rash

N. meningitidis

28

fever
severe headache
nuchal rigidity
photophobia
AMS

meningitis

29

diagnosis of meningitis

lumbar puncture

30

G+ diplococci in CSF

s. pneumoniae

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