Gastroenteritis Flashcards
who is at increased risk for developing gastroenteritis
closed communities eg ward
extremes of age
gastric acid suppression eg PPI
immunocompromised individuals
what is dysentry
inflammation of the intestine usually the colon causing bloody, mucus diarrhoea
what is gastroenteritis
infection of the GI tract usually stomach and SI
causes reduces absorption of water and nutrients
what organisms causing gastroenteritis have preformed toxins
E. Coli
C. Diff
staph aureus
bacillus cereus
what organisms have a short incubation time
staph aureus
bacillus cereus
(1-6 hours)
what organisms have a medium incubation time
salmonella
C Perfringes
(12-48 hours)
what organisms have a long incubation time
campylobacter
E. Coli 0157
which organisms is most likely to cause gastroenteritis and can it spread from person to person
campylobacter and no
found in raw poultry
what is a severe complication of campylobacter infection
Guillan Barre syndrome
what organisms can cause oubreaks of food poisoning
salmonella
E. Coli
what are the classical symptoms of gastroenteritis
acute onset of diarrhoea and vomiting
diarrhoea may be bloody
fever
abdominal pain
salmonella can be typed into serogroups and the body produces different antigens accordingly true/false
true
what does E. Coli produce and what is its effect on the body
produces verotoxin which kills renal cells
what is a complication of E. Coli infection and who is likely to develop it
haemolytic uraemic syndrome
young children
how does haemolytic uraemic syndrome present
abdo pain
fever
pallor
can present after diarrhoea has stopped, destroys platelets and can lead to kidney failure