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17 Cards in this Set
- Front
- Back
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BUZZWORDS:
Rotavirus Norwalk Adenovirus |
Rotavirus--6 to 25 months old
Norwalk--older adults, epidemic sometimes on cruise ships Adenovirus--2nd most common in children |
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BUZZWORDS
Staph E. coli Shigella |
Staph--ingested in contaminated food. It comes and goes quickly.
E. coli-- toxins that grow in the gut. Shigella--infection that invades the epithelial cells. |
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Distal colon
Mucosal inflammation and exudate Bloody diarrhea Person to person spread |
Shigella
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Ileum and colon
Blunted villi Congestion Linear ulcers Dysentery Bacteremia |
Salmonella
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Ileum, appendix, and colon
Mucosal hemorrhages Lymphadenopathy Granulomas From milk and pork |
Y. entercolitica
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Small intestine
Massive watery diarrhea Shellfish and water Person to person |
V. cholerae
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Small intestine and colon
Congestion and some epithelial damage Watery diarrhea Meat and fish |
Clostridium perfringens
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Toxin can cause muscle weakness that can progress to respiratory failure.
Canned foods Honey in children less than 1 y.o. |
Clostridium botulinum
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Differentiate between these types of E-coli:
1. enterotoxigenic 2. enterohemorrhagic 2. enteropathogenic 4. enteroinvasive |
1. cholera-like, no invasion, watery diarrhea
2. shiga-like, bloody diarrhea. The 0157:H7 strain can cause hemolytic uremia. 3. watery diarrhea in infants and toddlers. 4. Invades enterocytes. |
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What is ascaris lumbricoides?
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Larva that penetrate the mucosa and migrate to the liver and lungs.
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What is Stongyloides?
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It is found in ground soil and penetrates intact skin. It migrates through the lungs and lives in the intestines.
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What is Nevator duodenale and Ancylostoma duodenale?
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It penetrates the skin, lungs, and intestines, and attaches the mucosa and sucks out blood.
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What is enterobius vermicularis?
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Transmitted fecal orally, migrates to the anus at night and deposits its eggs. Scotch tape diagnosis.
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What is Trichuris trichiura?
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Whipworms--they do not penetrate the mucose but may cause some bloody diarrhea and rectal prolapse.
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What are examples of cestodes?
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diphyllbothrium latum
taenia solium hymenolepsis nana |
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What is Entamoeba histolytica?
What is Giardia lamblia? What is Cryptosporidium? |
flask shape ulcers and liver abscesses.
a malabsorption problem with diarrhea. a parasite that lives on the brush border and causes watery diarrhea. |
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When can C. difficle occur and what are some symptoms?
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Can occur after using a broad spectrum antibiotic. It can cause pseudomembraneous colitis (infection of the colon).
The illness is characterized by offensive-smelling diarrhea, fever, and abdominal pain. |
