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Step 1 - Micro algorithms

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denniskwinn's version from 2015-04-25 16:08

Section

MAHKEFIBGLJDC
LabelAnswer
AClostridium (anaerobe), Corynebacterium, Listeria, Bacillus
BStaphylococcus
CS. aureus
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) , Viridan streptococci (s. mutans = no capsule, optochin resistant)
IGAS (s.pyogenes - bactitracin sensitive), GBS (S. agalactiae -bactitracin resistant)
Jgrowth in 6.5% NaCl + Enterococcus (e. faecalis), - S. bovis Peptostreptococcum (anaerobe)
KCatalase
LCoagulase
Mappear purple/blue
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CHIABJDEGF

 

LabelAnswer
ANeisseria Meningitidis
BNeisseria gonorrhoeae
CHaemophilus influenza, Bordetella pertussis, Pasteurella (animal bites), Brucella (brucellosis)
DKlebsiella, E. Coli, Enterobacter
ECitrobacter, Serratia (motile, red colonies)
FShigella, Salmonella, Proteus
GPseudomonas
H Maltose
ILactose (MacConkey's agar)
JOxidase
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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
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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