S13C154 - Foodborne and waterborne dz Flashcards Preview

Tintinalli Section 13 - Infectious Diseases > S13C154 - Foodborne and waterborne dz > Flashcards

Flashcards in S13C154 - Foodborne and waterborne dz Deck (10)
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1
Q

When to do stool O+P and cultures?

A
  • febrile
  • bloody diarrhea
  • severe abdo pain
  • severe or protracted illness
2
Q

Fecal leuks:

A

-indicate invasive pathogen

3
Q

GI symptoms with vomitting as primary Sx:

A
  • viral: norwalk, rotavirus, astrovirus
  • staph aureus
  • b cereus
4
Q

watery non-bloody diarrhea:

A
  • ETEC
  • giardia
  • vibrio cholerae
  • enteric viruses
  • cryptosporidium
  • cyclospora
5
Q

Bloody diarrhea

A
  • SECSY
  • shigella
  • enteroinvasive/enterohemorrhagic e coli
  • campylobacter
  • salmonella
  • yersinia
  • shiga-toxin producing e coli 0157:H7
  • entamoebe
6
Q

Persistent diarrhea

A
  • giardia
  • cyclospora
  • entamoeba
  • cryptosporidium
7
Q

Neurologic complications with diarrhea

A
  • botulism (clostridium botulinum)
  • scombroid fish
  • ciguatera fish
  • teterodotoxin (puffer fish)
  • mushrrom
  • paralytic shellfish
  • GBS (associated with c jejuni
  • (shigella, salmonella): sero- reacitve arthritis
8
Q

Systemically unwell with diarrhea

A
  • listeria
  • brucella
  • salmonella typhi
  • s. paratyphi
  • v vulnificus (life/limb threatening necrotic wound infxn, hemorrhagic bullae)
  • het A/E
9
Q

When can one use antimotility agents in diarrhea?

A
  • if no fever
  • if no bloody diarrhea
  • not routinely used in small children
10
Q

Diarrhea tx:

A

-most can be treated with ciprofloxacin 500mg PO BID x3d

  • brucella: rifampin an doxy
  • listeria monocytogenesis: setpra 20mg/kg iv or ampicillin
  • vibrio cholerae: azithro 1g PO x1 or doxy
  • parasitic: flagyl (except cryptosporidium which is azithro
  • DO NOT TREAT E coli 0157:H7 with Abx b/c of risk of HUS