GASTROENTERITIS OVERVIEW

Question 1

Acute food poisoning is typically caused by

Answer 1

Staphylococcus aureus,
Bacillus cereus or
Clostridium perfringens

= ingestion of toxins

Question 2

Incubation period Staphylococcus aureus,
Bacillus cereus ?

Answer 2

1-6 hrs

Question 3

The most common cause of gastroenteritis ?

Answer 3

is Escherichia coli.

Question 4

Escherichia coli common among ?

Answer 4

travellers

Question 5

typical presentation of ECOLI ?

Answer 5

Watery stools
Abdominal cramps and nausea

Question 6

Incubation period for coli ?

Answer 6

12-48 hrs

Question 7

Giardiasis typicall presentation ?

Answer 7

Prolonged, non-bloody diarrhoea

fatty diarrhea

Question 8

Cholera typical presentation ?

Answer 8

Profuse, watery diarrhoea
Severe dehydration resulting in weight loss
Not common amongst travellers

Question 9

Shigella presentation ?

Answer 9

Bloody diarrhoea - dysentry
Vomiting and abdominal pain

Question 10

Staphylococcus aureus presentation

Answer 10

Severe vomiting
Short incubation period

Question 11

Campylobacter presentation

Answer 11

flu-like prodrome is usually followed by crampy abdominal pains, fever and diarrhoea which may be bloody
May mimic appendicitis

Question 12

complication of campylobacter ?

Answer 12

Guillain-Barre syndrome

Question 13

Bacillus cereus presentation

Answer 13

vomiting within 6 hours, stereotypically due to rice
diarrhoeal illness occurring after 6 hours

Question 14

Amoebiasis presentation

Answer 14

Gradual onset bloody diarrhoea, abdominal pain and tenderness which may last for several weeks