Infectious Diarrhoea Flashcards
what is infectious diarrhoea
occurs when food/ drink contaminated with E.coli is ingested
what is the causative agent of infectious diarrhoea
Escherichia coli
what type of bacteria is E.coli
gram negative, rod shaped
when does E.coli colonise the gastrointestinal tract in life
few hours after birth
can E.coli become pathogenic
yes
by acquiring virulence factors or genetic mutations
aetiology of infectious diarrhoea
Infection by pathogenic strains occurs through ingestion, usually via contaminated food or water.
presenting symptoms of infectious diarrhoea
diarrhoea,
history of travel/ unknown food
abdominal discomfort/ pain
volume depletion
fever/ malaise/ nausea
risk factors for developing infectious diarrhoea
travel
contaminated food/ water
poor hygiene
what investigations will be done for suspected infectious diarrhoea
stool culture (E.coli)
FBC (high WCC, low Hb)
renal and liver function tests
management for infectious diarrhoea
rehydration (oral or IV saline 0.9%)
anti motility agent
Bismuth subsalicylate (used to treat diarrhoea, NOT FOR CHILDREN BELOW 12)