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STEP gram positives

29 cards·by chrismasuda
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tx leprosy
dapsone
leprosy tox
hemolysis and methemoglobinemia
oral/facial abscess GP filimentous
actinomyces
pulmonary infection in immunocompromised, filimentous
nocardia
Tx Nocardia
Sulfa
Tx actinomyces
penicillin
in the healthy, listeria causes
mild gastroenteritis
in the immunocompromised and neonates, listeria causes
meningitis
in pregnant, listeria causes
amnionitis, septicemia, abortion
woolsorter, fever, pulmonary hemorrhage, widened mediastinum, shock
bacillus anthracis GP rod
white/yellow pseudomembranous colitis, diarrhea, previous antibiotic use
clostridium difficile
C. Diff's toxin
A binds B destroys
Tx Clostridium Difficile
metronidazole or oral vancomycin
GP rod w/ metachromatic granules and + elek test for toxin
cornybacterium diphtherieae
cornybacterium's exotoxin
ADP ribosylates (inhibits) EF-2
pseudomembranous pharyngitis, lymphadenopathy, GP rod
cornybacterium diptheriae
Cannot grow in 6.5% NaCl, can cause bacteremia and subacute endocarditis in COLON cancer patients
strep bovis
gamma hemolytic, can grow in 6.5%nacl and bile
enterococcus
what does enterococcus cause?
UTI and subacute bacterial endocarditis
what does strep agalactiea produce?
CAMP factor which enlarges area of hemolysis formed by staph A
Strep that gives babies pneumonia, meningitis, sepsis b/c it colonizes vagina
strep agalactiae (Group B)
ASO titer indicates
recurrent strep pyogenes infection
scarlet fever, Toxic shock like, rheumatic fever, acute GN
Strep pyogenes (GABHS)
SPECC subcutaneous plaques, polyarthritis, erythema marginatum, chorea, carditis
acute rheumatic fever caused by strep pyogenes
strep that are normal in oropharynx and cause dental caries and subacute endocarditis on damaged valves
strep viridans
Strep pneumonia is most common cause of
MOPS meningitis otitis media pneumonia sinusitis
GP, coag neg, novobiocin sensitive, prosthetics and IV cath biofilm
staph epidermidis
differentiate the alpha hemolytic strep
OVRPS optochin: Viridans Resistant Pneumonia Sensitive
Differentiate the beta hemolytic strep
B-BRAS: Bacitracin: Group B (agalactiae) Resistant Group A (pyogenes) Sensitive