gastroenteritis

Question 1

gastroenteritis (Types)

Answer 1

can occur whilst at home

can occur whilst travelling abroad (traveller’s diarrhoea)

Question 2

traveller’s diarrhoea

Answer 2

at least 3 water stools in 24 hours with or without abdominal cramps / fever / nausea / vomiting / blood in stools

common cause- E.Coli

Question 3

acute food poisoning

Answer 3

nausea, vomiting, diarrhoea after ingestion of toxin

• staphylococcus aureus
• bacillus cereus (rice)
• clostridium pefringens

Question 4

e.coli

Answer 4

common amongst travellers
watery stools
abdo cramps and nausea

Question 5

giardisis

Answer 5

prolonged
non-bloody diarrhoea
bloating, belching, flactulance

tx: metronidazole 40mg tid for 5 days

Question 6

cholera

Answer 6

profuse watery diarrhoea with severe dehydration, weight loss
*not common in travellers

Question 7

shigella

Answer 7

bloody diarrhoea

vomiting and abdo pain

Question 8

staph aureus

Answer 8

severe vomiting and short incubation period (food poisoning)

Question 9

campylobacter

Answer 9

flu like prodrome
crampy abdo pain
fever
diarrhoea
bloody
can mimic appendiciits

can cause Gillian barre

Question 10

bacillus cerus

Answer 10

vomiting in 6 hrs (rice)
diarrhoea illness (6 hrs)

Question 11

amoebiasis

Answer 11

gradual onset f bloody diarrhoea

abdominal pain tender for weeks

Question 12

incubation period

Answer 12

Incubation period
1-6 hrs: Staphylococcus aureus, Bacillus cereus*
12-48 hrs: Salmonella, Escherichia coli
48-72 hrs: Shigella, Campylobacter
> 7 days: Giardiasis, Amoebiasis