Food poisoning

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7 Terms

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definition

  • severe nausea

  • frequent vomiting

  • acc by diarrhea

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how is it different from other gastroenteritis

gastroenteritis is caused by a virus, food poisoning can be any microbial agent

fast paced, other causes are slow

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causitive agent

preformed toxins like:

S. aureus, B. cereus, C. perfringens

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S. aureus exotoxin: incubation period

produced in food left unrefrigerated for a few hours. Incubation period in the body is short

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S. aureus route of transmission

ORal route, from contaminated foods. Such as custards, sauces, cream pastries, processed meats, chicken salad or ham

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pathogenesis

  • Toxin is ingesteed

  • acts on gastrointestinal epithelium

  • stimulates nerves, causing cramping, nausea, vomiting and diarrhea

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recovery

rapid, usually within 24 hrs