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Micro Algorithms i

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ekadar's version from 2016-05-12 16:34

Gram (+)

MAHKEFIBGLJDC
LabelAnswer
AClostridium (anaerobe), Corynebacterium (non-motile), Listeria (motile), Bacillus (aerobe), Mycobacterium (acid-fast)
BStaphylococci
CS. aureus. coagulase positive
DS. epidermis (novobiocin sensitive), S. saprophyticus (novobiocin resistant)
Ealpha hemolysis = partial hemolysis - green
Fbeta hemolysis = complete hemolysis - clear
Ggamma hemolysis = no hemolysis
HS.pneumona (+quellung = capsule, optochin sensitive and bile soluble) , Viridan streptococci (s. mutans = no capsule, optochin resistant)
IGAS (s.pyogenes - bactitracin sensitive, PYR positive), GBS (S. agalactiae -bactitracin resistant, CAMP positive)
JEnterococcus (e. faecalis) - growth in bile and 6.5% NaCl
Nonenterococcus (Strep bovis - anaerobe) - growth in bile, not in 6.5% NaCl
KCatalase
LCoagulase
Mappear purple/blue
Gram-positive & branching filamentsActinomyces - anaerobe, not acid-fast
Nocardia - aerobe, acid-fast
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CHIABJDEGF

 

LabelAnswer
ANeisseria Meningitidis maltose fermenter
BNeisseria gonorrhoeae maltose nonfermenter
CHaemophilus influenza, Bordetella pertussis, Pasteurella (animal bites), Brucella (brucellosis)
DFast Lactose fermenter: Klebsiella, E. Coli, Enterobacter
ESlow Lactose fermenter Citrobacter, Serratia (motile, red colonies)
FProduces H2S Salmonella, Proteus, Yersinia.
Does not produce H2S Shigella
GOxidase positive
Pseudomonas
H. pylori
H Maltose
ILactose (MacConkey's agar)
JOxidase
Oxidase-Positive & comma-shapedCampylobacter jejuni - grows in 42°C
Vibrio cholerae - grows in alkaline media
H. Pylori-produces urease
Gram negatives stain.....pink
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Gram + cocci associations

Question Answer
Strep viridansOptochin resistant, Dental caries, Subacute bacterial endocarditis after dental work
Strep pneumoniaeOptochin senstive, bile soluble, MOPS (meningitis, otitis, pnuemonia, sinusitis) and sepsis
Strep agalactiaeNeonatal sepsis, Neonatal meningitis, Neonatal pneumonia, CAMP factor
Strep pyogenes Pharyngitis, Cellulitis, Erysipelas, Rheumatic fever, Post-strep glomerulonephritis
Enterococci, E. faeciumEndocarditis after genitourinary procedures
Nonenterococci, S. bovisEndocarditis assoc w/ colonic malignancy
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