Systems (bugs causing diarrhea) Flashcards
what 7 organisms cause bloddy diarrhea
say CEEESSY!
- Campylobacter
- E. histoytica
- EHEC
- EIEC
- Salmonella
- Shigella
- Y. enterocolitica
What organisms cause watery diarrhea
CC PEVV
- C. difficle
- C. perfringens
- ETEC
- Protozoa
- V. cholerae
- Viruses
What organism causes bloody diarrhea
Comma or S shaped organism, growth at 42oC
Camplobacter
What organism causes bloody diarrhea
Protozaon, amebic dysenery, liver abscess
E. histolytica
What organism causes bloody diarrhea
O157:H7, can cause HUS makes SLT (shigella L toxin)
E.HEC (Enterohemorrhagic E. coli)
What organism causes bloody diarrhea
Invades colonic mucoas
EIEC
What organism causes bloody diarrhea
Lactose -, flagellar motility, has animal reservoir, especially poultry and eggs
Salmonella
What organism causes bloody diarrhea
Lactose -, very low ID50, produces shiga toxin (human reservoir only) bacillary dysentery
Shigella
What organism causes bloody diarrhea
Day care outbreaks, pseudoappenditcitis
Y. enterocolitica
What organism causes watery diarrhea
Pseudomembranous colitis, caused by antibiiotics, occasionally bloody diarrhea.
c. difficile
What organism causes watery diarrhea
Also causes gas gangrene
C. perfiringens
What organism causes watery diarrhea
Traveler’s diarrhea, produces heat-labile (LT), heat-stable (ST) toxins
Enterotoxigenic E. coli
What organism causes watery diarrhea
protoza (2)
Giardia
Cryptosporidium (in immunocompromised)
What organism causes watery diarrhea
common shaped organisms, rice-water diarrhea, often from infected seafood.
V. cholerae
What organism causes watery diarrhea
Viruses
Rotavirus, norovirus
