Bugs Flashcards
Strep viridans
a-hemolytic
not optochin sensitive or bile soluble
Strep pneumo
a-hemolytic
+ optochin sensitive
+ bile soluble
GBS/ agalactiae
B-hemolytic
bacitracin resistant
- PYR
+ hippurate
GAS/ pyogenes
B-hemolytic
+ bacitracin sensitive
+ PYR
S. bovis
gamma hemolysis
- 6.5% NaCl
Enterococci
gamma hemolysis
+ 6.5% NaCl
S. saprophyticus
Catalase +
Coagulase -
Novobiocin -
Urease +
S. epidermidis
Catalase + Coag - Novobiocin + urease + biofilm
Staph aureus
Catalase +
Coagulase +
B-hemolytic
Aerobic GPR
Listeria-motile
Bacilllus anthracis, cereus
Corynebacterium
Anaerobic GPR
Clostridium
Nocardia
Branching aerobe
acid fast
(pulm or cutaneous)
Actinomyces
Anaerobic
Branching
(oral/facial abscess)
N. mening
GNC
+ maltose
Moraxella
GNC
- maltose
N. gonorrehae
GNC
- maltose
Fast lactose fermenting GNR
Klebsiella
E. coli
Enterobacter
Slow lactose fermenting GNR
Citrobacter
Serratia
Pseudomonas
- Lactose
+ oxidase
Salmonella and Proteus
- Lactose
- oxidase
+ H2S on TSI
Shigella and Yersinia
- Lactose
- Oxidase
- H2S on TSI
Campylobacter
Gram -
Comma shaped rod
Oxidase +
+42 degrees C
Vibrio cholerae
Gram -
Comma shaped rod
Oxidase +
Alkaline
H. pylori
Gram - Comma shaped rod oxidase + Urease + Silver stain
