Gastrointestinal Pathogen Presentations

Question 1

Escherichia coli

Answer 1

Common amongst travellers
Watery stools
Abdominal cramps and nausea

Question 2

Giardiasis

Answer 2

Prolonged, non-bloody diarrhoea

Question 3

Cholera

Answer 3

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

Question 4

Shigella

Answer 4

Bloody diarrhoea
Vomiting and abdominal pain

Question 5

Staphylococcus aureus

Answer 5

Severe vomiting
Short incubation period

Question 6

Campylobacter

Answer 6

A flu-like prodrome is usually followed by crampy abdominal pains, fever and diarrhoea which may be bloody
May mimic appendicitis
Complications include Guillain-Barre syndrome

Question 7

Bacillus cereus

Answer 7

Two types of illness are seen
vomiting within 6 hours, stereotypically due to rice
diarrhoeal illness occurring after 6 hours

Question 8

Amoebiasis

Answer 8

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

Question 9

Amoebiasis

Answer 9

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