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10 Cards in this Set
- Front
- Back
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What would one expect to find with Staph aureus ingestion?
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1. N/V within 6 hrs
2. Hx of food exposure (potato salad, creamy foods) 3. enterotoxin emesis cause by vagus n. and cytokine production NOTE: no fever or chills |
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What would one expect to find with Bacillus cereus exposure?
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1. Rice exposure (cereus = cereal)
NOTE: makes a heat stabile toxin that causes N/V within 6 hrs with no fever |
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A sick child that's been playing with a pet turtle or other reptile may be exposed to what bug with what effect?
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Salmonella will cause diarrhea and can come from poultry, eggs, milk, reptiles. If non-typhoidal, then will just cause gastroenteritis and febrile diarrhea.
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What would one expect to find with Shigella infection?
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febrile diarrhea from invasive shigella toxin in > 16 hrs, very virulent. look for it in raw veggies, potato or egg salad
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Where would you find Clostridium perfringens, what kind of toxin does it produce, and how many hours will it take for cramping and diarrhea to occur?
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Look for C. perfringens in beef, poultry, gravy, Mexican food with symptoms occuring in < 16 hours from a heat labile toxin.
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What would one expect with EHEC infection and what is the significance of O157:H7?
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diarrhea and bloody diarrhea without fever tx'ed with supportive care, O157:H7 will lead to HUS.
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What demographic of people is ETEC commonly found in?
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travelers
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What bug has a 3-4 day incubation, is most commonly acquired from undercooked chicken, associated with Guillain-Barre, and is considered a camper's infection?
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Campylobacter jejuni. Also assocaited with reactive arhtritis/Reiter's syndrome and HLA-B27 is associated with spondylocarthropathy
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What chemical foodborne dz causes acute N/V, no fever, GI symptoms, and temperature sensory reversal including pain in teeth and myalgia? It is caused by a preformed toxin that is ingested.
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Ciguartera from fish
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What waterborne infection has up to a 4 wk incubation and causes chronic diarrhea? This bug is not bacterial.
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Giardia lamblia
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