GI INFECTIONS Flashcards
Meat/poultry kept at bad temperatures
Water diarrhea
naglers rxn on stool study via egg yolk media
Clostridium Perfringens
hypotension
shock
ileus
megacolon
Fluminant CDIFF
food poisoning
travelers diarrhea
stool culture
resolves 1-5d
E.Coli
EnteroTOXIGENIC
Shiga Toxin O157.H7
Contaminated raw foods like milk - aka cattle
Bloody diarrhea
risk of HUS w/ anti-diarrheals
E.Coli
EnteroHEMORRHAGIC
What disease do you risk if you take imodium w/ E.Coli
HUS: hemolytic uremic syndrome
endemic areas before/after rain
secretory diarrhea w. severe fluid loss
RICE WATER STOOL
Vibrio Cholera
what are the 2 complications of cholera
hypovolemic shock
aspiration pneumonia
similar to shigella
Multiplies within intestinal cells and spreads
E.Coli
EnteroINVASIVE
Sporadic diarrehal disease in kids under 6m
E.Coli
EnteroPATHOGENIC
IL-2 release from colon cells
Inflammatory diarrhea
2nd most common for travelers diarrhea
E.Coli
EnteroAGGREGATIVE
cheese/milk
enterotoxin
Rapid onset diarrhea
Staph Aureus
FRIED RICE
contaminates ventilators/dialisis equiptment
spores/biofilms
Bacillus cerus
multiplies in small intestine
10-100 organisms req
Contaminated pork/milk/water/tofu
high wbc in stool
shigella
poultry
pseudoappendicitis
risk guillian barre syndrome
Campylobacter enteritis
what is a complication of campylobacter enteritis
guillian barre syndrome
acute febrile gastroenteritis
undercooked meat, unpasturizzed milk
pseudoappendicitis
and pseudotuberculosis
yersinosis
may to september warm costal waters
undercooked shellfish /oysters
Vibriosis
salmonella
contaminated food/water
young people
rose spots, pea soup diarrhea, payerpatches
typhoid fever
leading cause of foodborne illness
exotic pets/reptiles/turtles
pea soup diarrhea
non-typhoid salmonella
well demarcated ulceration and psudomembranes on endoscopy
GI CMV
damage to intestinal brush border
NSP4 enterotoxin release activating enteric NS
complication is intussusception
Rotavirus
what is a complication of rotavirus
intussiseption
non bloody watery diarrhea wo leukocites
viral gastroenteritis
Norovirus
Invades site of infection and presents as neutropenic enterocolitis, appendicitis, ulcers, abdominal pain, and GI bleeds
Aspergillus
Ingestion of spores infecting stomach/colon, affects those w/ DM, glucocorticoid therapy, preemies, s/p organ transplant – very bad prognosis
Mucormycosis
Lesions on GI tract (ileocecal) leading to misdiagnosed IBD
Histoplasmosis
parasite causing diarrhea
water, food, day cares
international travelers and backpackers diarrhea
streams, wells, lakes
cysts and trophozoites
Giardia lamblia
parasite diarreha and biliary tract disease
sporadic waterborne outbreaks
cryptosporidium
