Term
|
Definition
-Curved gram negative rod
-Oxidase positive
-Requires salt
-Waterborne and food borne |
|
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Term
|
Definition
|
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Term
|
Definition
-Most people are asymptomatic or have self-limiting diarrhea
-Some strains produce cholera toxin which increases secretions of electrolytes and water to small intestine
-Acute watery diarrhea last 3-5 days
-Severe cases involve fluid loss of 1+ liters per hour |
|
|
Term
Vibrio Cholerae:
Serotyping |
|
Definition
Serotype 01
Serotype 0139- Clinical disease similar to 01
Serotype non 01- Causes milder gastroenteritis, lacks cholera toxin gene. |
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Term
Vibrio Cholerae:
Treatment |
|
Definition
-Oral rehydration
-IV replacement of fluids
-Antibiotics decrease duration |
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Term
|
Definition
Cases acute gastroenteritis following ingestion of raw fish, oysters, shrimp, crab
Causes 50-70% of food borne diarrhea in Japan |
|
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Term
|
Definition
| Association with oysters, very invasive, causes wound infections. |
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|
Term
Aeromonas Hydrophila:
Characteristics |
|
Definition
-Gram negative bacilli (not curved)
-Oxidase positive
-Predominantly in fresh water, but also found in brackish and salt water
-Isolated from cold-blooded animals, amphibians, reptiles, fish |
|
|
Term
Aeromonas Hydrophila:
Disease |
|
Definition
| Casues diarrhea and wound infections, usually self-limiting |
|
|
Term
Campylobacter:
Characteristics |
|
Definition
-Curved, gram negative bacilli
-Oxidase positive
-Inhabits GI tracts of farm and domestic animals
-Zoonotic, transmitted to man through contaminated food, dairy products, or water |
|
|
Term
|
Definition
| Most common cause of bacterial gastroenteritis, usually self-limiting |
|
|
Term
Helicobacter Pylori:
Characteristics |
|
Definition
-Curved gram negative bacilli
-Produces potent urease enzyme, increases local pH |
|
|
Term
Helicobacter Pylori:
Disease |
|
Definition
| Causative agent of gastritis, peptic ulcer disease, major risk factor for gastric cancer |
|
|
Term
Helicobacter Pylori:
Treatment |
|
Definition
| Antibiotic therapy with protein pump inhibitor. |
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