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44 Cards in this Set

  • Front
  • Back
gram + cocci
catalase +
coagulase +
s. aureus
treat pneumonia, skin abscess and organ abscess with oxacillin, nafcillin and dicloxacillin
MRSA- vanco
gram + cocci
catalase +
coagulase -
novobiocin S
s. epidermidis

causes prosthetic infections, IV catheter infections

treat with vanco
gram + cocci
catalase +
coagulase -
novobiocin R
s. saprophyticus

UTI

treat with cephalosporin or ampicillin-clavulinic acid
gram + rod
spore forming
obligate aerobe
bacillus

anthracis- treat with ciprofloxacin or doxycycline

cereus- food poisoning, no abx
gram + rod
spore forming
obligate anaerobe
clostridium

tetani- treat with antitoxin and cillin

botulinum- treat with antitoxin and penicillin

perfringens- treat with surgery, penicillin

difficile- treat with metronidazole or oral vanco
gram + rod, club-shaped
corynebacterium

treat with penicillin or erythromycin + antitoxin
gram + rod with tumbling motility
listeria
monocytogenes- ampicillin
gram + branching rod
anaerobic
not acid fast
actinomyces

PCN
gram + branching rod
aerobic
acid fast
nocardia (pulmonary infection)

sulfa
gram + cocci
catalase -
b hemolysis
bacitracin R
s. agalactiae
PCN
gram + cocci
catalase -
b hemolysis
bacitracin S
s. pyogenes

Pen G
gram + cocci
catalase -
a hemolysis
optochin S
s. pneumo

Pen G or erythromycin or ceftriaxone

lancet shaped, encapsulated, rusty sputum in pnemonia
gram + cocci
catalase -
a hemolysis
optochin R
viridans strep
(mutans, sanguis)

Pen G
gram + cocci
catalase -
y hemolysis
enterococci-
-faecalis: ampicillin + AG, vanco; if resistant, use -pristine or daptomycin/linezolid
-faecium: ampicillin + AG, vanco; if resistant, use daptomycin, linezolid

strep bovis
ampicillin + AG, vanco
gram - cocci
glucose non-fermenter
moraxella catarrhalis

pneumonia, esp in COPD

macrolide OR
amox+ clavulinic acid OR
3rd gen ceph
gram - cocci
glucose fermenter
maltose fermenter
n. meningitidis

ceftriaxone or Pen G

treat contacts with rifampin
gram - cocci
glucose fermenter
maltose non-fermenter
n. gonorrhoae

ceftriaxone
gram - coccoid rod
dog bite
p. multocida

PCN or doxycycline
gram - coccoid rod
rabbit, deer, tick
f. tularnesis

gentamicin
gram - coccoid rod
unpasteurized dairy
brucella

doxycycline + AG
gram - coccoid rod
grows on a charcoal agar with iron and cysteine, seen on silver stain
Legionella

macrolide OR FQ
gram - coccoid rod
grows on chocolate agar
requires factors V and X
h. flu

ceftriaxone
gram - coccoid rod
grows on bordet- gengue medium
b. pertussis

erythromycin
gram - coccoid rod
cat scratch
bartonella henslae

azithromycin
gram - rod
lactose fermenter
indole +
grows pink colonies on MacConkey's agar
blue black colonies on EMB agar with metallic sheen
e. coli

cephalosporin OR
AG OR
TMP-SMX OR
FQ
gram - rod
lactose fermenter
mucoid colonies caused by abundant polysaccharide capsule
Klebsiella

3rd gen cephalosporin
gram - rod
lactose non-fermenter
oxidase -
urease -
nonmotile
causes a water diarrhea, then bloody diarrhea
moves through cells with actin polymerization
shigella
azithromycin or FQ
gram - rod
lactose non-fermenter
oxidase -
urease -
H2S +
motile
salmonella

no abx- prolongs illness
gram - rod
oxidase -
urease -
comes from pet feces (puppies!) or contaminated milk or pork
yersinia enterocolitica
no abx
gram - rod
oxidase -
urease -
prairie dogs
yersinia pestis

streptomycin or gentamycin
gram - rod
oxidase -
urease +
motile
proteus mirabilis

AMP
TMP-SMX
gram - rod
oxidase +
p. aeruginosa

AG + extended spectrum penicllin
gram - rod
strict anaerobe
b. fragilis

metronidazole OR
clindamycin
gram - curved rod
grows at 42* C
campylobacter jejunia

FQ
gram - curved rod
urease +
h. pylori

triple therapy
PPI
clarithromycin
metronidazole or amoxicillin
gram - curved rod (comma-shaped)
grows in an alkaline agar
v. cholera

doxycycline
acid fast
thin rod
obligate aerobe
non motile
mycobacterium tb

streptomycin
rifampin
isoniazid
pyrasinamide
ethambutol

(leprae- treat with oral dapsone; MAC prophylax with azithromycin, treat with clarithromycin or rifampin; kansasii treat with isoniazid, rifampin, ethambutol)
non-staining obligate intracellular with intracytoplasmic inclusions
chlamydia

azithromycin
doxycycline
non-staining obligate intracellular with no intracyplasmic inclusions
rickettsia (incl coxiella)

doxycycline
non-staining facultatively intracellular organism
m. pneumonia

tetracycline or erythromycin
pleomorphic gram-variable
clue cells
gardnerella vaginalis

metronidazole
spirochete
microaerophilic
giemsa and silver stain
borrelia burgdorferi

early- doxycycline
late- ceftriaxone
spirochete
micoraerophilic
sensitive to increased temperature
t. pallidum

pen G
spirochete
aerobic
question-mark shaped
found in water with animal urine
leptospira interogans

pen G