Shared Flashcard Set

Details

Dysentery
Gastrointestinal Infection
8
Biology
Undergraduate 3
11/10/2010

Additional Biology Flashcards

 


 

Cards

Term
Shigellosis (Bacterial Dysentery)
dysentery:
Definition
waves of intense cramps
passage of frequent small-volume,
bloody, mucoid stools
Term
Agent
Definition
Shigella species
small gram –ve rods
found primarily in primates
Term
Transmission
Definition
fecally contaminated food, water
person-to person
Term
Incubation
Definition
2-3 days
acid-resistant (as few as 10 CFU can cause disease)
Term
Symptoms
Definition
mild diarrhea to fatal dysentery
microbes penetrate intestine
produce enterotoxins → water released from intestinal lining
infection in small intestine → watery diarrhea
infection in large intestine → dysentery
usually lasts 1 week if no complications
hemolytic uremic syndrome (HUS)
Shigella dysenteriae produces Shiga toxin
microvasculature damage and hemolytic anemia
renal failure
Term
Treatment
Definition
antibiotics can be used; many strains resistant (R factors)
excessive fluid loss requires electrolyte therapy, salt tablets or IV,
(most often in children and elderly)
recovered are carriers for ~ 1 month
Term
Diagnosis
Definition
Culture from stool
Term
Vaccine
Definition
None yet
Supporting users have an ad free experience!