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24 Cards in this Set
- Front
- Back
- 3rd side (hint)
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streptococcus hemolysis
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Beta clear
alpha green gamme none |
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Lancefield Groups
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ABCDF--beta hemolytic
wall poly sach differences |
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strep pyogenes
catalase yes/no? what group baci/pyr test? |
catalase -
group A Bacitracin (A)disk susceptible PYR positive |
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Group A Diseases
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Scarlet fever
pharyngitis pneumonia pyoderma erysipelas cellulitus nec. fascitis TSST |
P's
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Scarlet fever signs
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red thoat
pastia lines circumolar pallor strawberry tongue due to erythrogenic toxin |
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S. pyogenes virulence factors
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hyaluronic capsule
M-protein(resp for nonsuppurative rxn) Lipotechoic and protein F(adherence) |
wolf in sheeps clothes and sticks to the walls, and has something to cause RA
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M protein location, who it's with, what it converts and what it blocks
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located on pilus with techoic acid
strong anti phagocytic converts fibrinogen to make a complement blocking coating |
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Streptokinases
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converts plasminogen to plasmin
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DNAse
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deploymerizes dna--pyoderma
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Protein F does what
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facilitates attachement to fibrin
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facilitates something
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Protein G does what?
similar to what else? |
binds Fc region of antibody
Aureus protein A binds Fc region of IgG |
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DPNase kills what?
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leukocytes
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Group B normal locale?
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lower GI + vag
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causes what in new borns?
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meningits, pleural sepsis
both uncommon now |
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GBS morphology?
what tests to check other bacterial interactions |
gram+ cocci in chains
CAMP factor + (synergistic with aureus sphingomyelinase C)--increased hemolytic effect in presence of aureus |
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Osler Triad?
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pneumonia, endocarditis, meningitis
S. pneumoniae |
pem
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Pneumonia morphology
hemolytic profile which disk bile sol? |
elongated gram+, diplococci
alpha hemolytic(pneumolysin) Optochin disk(P disk susceptible) No Lancefield Bile sol. (activates autolysins) |
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Quellung rxn
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anticapsule antibodies for S. pneumoniae
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pneumoniae virulence factors
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PspA(opson inhibition)
IgA protease activates classic/alternate pathway autolysin neuramidase |
A's
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pneumonia vaccines
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23- polysach adult
7 pediatric conjugates |
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Viridian Strep hemolysis
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alpha/gamma hemolytic
or non hemolytic |
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viridian location?
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mutans- dental
bovis- GI |
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Enterococci types/location
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E. faecalis
E. faecium(Vanc resistant) intestinal flora, nosocomial/oppertunistic UTI's |
shitty and pissy
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Enterococci biochemistry
bile sol? |
black bile special characteristic(distinguishes it from pneumoniae)
6.5% NaCl PYR positive |
how to tell from pneumoniae
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