Session 9 - GI Infections Flashcards
How to approach a patient with a GI infection?
Take history - travel, co-morbs, occupation
Physical exam - hydration status
Samples - stool/blood
Treatment - antimicrobials? Supportive - fluids
Infection control !!
What are the 4 main bacteria which cause GI infection?
Campylobacter
Shigella
Salmonella
E. coli
How do people get camplyobactor infection?
Undercooked poultry
Contaminated food, water, contact with animals
Symptoms of Campylobacter infection?
Abdo pain and cramps
Diarrhoea
Nausea
Colitis
acute complications of campylobacter GI infections ?
Cholecystitis
Peritonitis - dialysis
Rash - erythema nodosum
Pericarditis + myocarditis
Late complications of campylobacter GI infections ?
Reactive arthritis
Guilin-Barre syndrome
Treatment of campylobacter GI infection?
Usually supportive
Antibiotics is those with risk factors (young, old, HIV etc)
Common parasites causing GI infections?
Cryptosporidium
Giardia
Cyclospora
How is cyclospora transmitted?
Faced-oral
Often food or water borne
-unwashed berries/salad
What viruses commonly cause GI infection?
Norovirus
Adenovirus
Rotavirus
Why can people become reinfected by norovirus?
Immunity is short lived
How do you treat a norovirus infection?
Supportive
How is norovirus spread?
Faeco-oral route
How do you prevent norovirus outbreaks?
Infection control
Hand washing
Environment cleaning.
RESISTANT TO ALCOHOL, LOW TEMP AND HIGH TEMP.
