Tropical GI infections Flashcards
1
Q
Why is the timeline of the travel history important?
A
various pathogen have different incubation periods
2
Q
Investigations for acute traveller’s diarrhoea?
A
stool culture
stool wet prep, for amoebic trophozoites
3
Q
Treatment for ATD?
A
fluid rehydration
4
Q
Enteric fever?
A
- 7-18 days incubation time
- common in India and SE Asia
- fever, headache, constipation/diarrhoea, cough
- Salmonella typhi
- treatment: mainly supportive, use IV Ceftriaxone if severe
5
Q
Fever and jaundice can be symptoms of…
A
Malaria
Hepatitis A and E
Leptospirosis
Helminths
6
Q
Amoebiasis?
A
- protozoan pathogen
- faecal-oral spread
- abdo pain, feveer, bloody diarrhoea, colitis, abdo tenderness
7
Q
Amoebic liver abscess?
A
- long incubation period , 8-20 weeks
- focal painful tenderness in R hypochodrial region
- more common in men
8
Q
Giardiasis?
A
- flagellated protozoa
- invades duodenum and jejunum
- watery diarrhoea, bloating, abdo cramps, weight loss
- treatment: metronidazole
9
Q
Helminth infections are associated with…
A
elevated eosinophil levels
10
Q
Schistosomiasis?
A
- important helminth
- can cause hepatomegaly and portal hypertension
