1: Tropical diseases of the GI tract Flashcards Preview

Gastrointestinal Week 5 2016/17 > 1: Tropical diseases of the GI tract > Flashcards

Flashcards in 1: Tropical diseases of the GI tract Deck (36)
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1

Patients who present with GI tract infections tend to have travelled ___ recently.

abroad

2

What will be seen on examination of a patient with an GI infection?

Fever - most common

Rash - particularly in HIV

Hepato/splenomegaly

Lymphadenopathy

Insect bites

Wounds

3

What "mundane" infection may cause fever in returning travellers?

Pneumonia / Influenza

4

What is the vector for malaria?

What family of organisms cause malaria?

Mosquitoes

Plasmodium spp.

5

Which organism causes enteric / typhoid fever?

Salmonella typhi

6

Which viruses cause dengue fever and chikungunya?

Arboviruses

7

Travellers with infectious GI diseases should be ___ until the cause is known.

isolated

8

What is acute traveller's diarrhoea?

3 loose stools in 24h

9

Which organism typically causes acute traveller's diarrhoea?

Enterotoxic E. coli

10

Other than E. coli, which organisms cause acute traveller's diarrhoea?

Campylobacter

Salmonella

Shigella

Norovirus

Rotavirus

11

What is the main symptom of acute traveller's diarrhoea?

Diarrhoea

:)

12

Which disease causes profuse watery diarrhoea?

Cholera - outbreaks, refugee camps

13

Which organism tends to cause dysentery?

Enterohaemorrhagic E. coli 0157

Shigella

14

How is acute traveller's diarrhoea investigated?

Stool culture

15

How is acute traveller's diarrhoea treated?

Fluid replacement (oral/IV)

16

Bloody diarrhoea/high fever would very rarely indicate the use of ___ to treat the underlying cause.

antibiotics

17

What are the two types of enteric fever?

Typhoid fever / paratyphoid fever

18

Which family of organisms cause enteric fever?

Salmonella spp.

19

Who tends to get enteric fever?

People visiting India / SE Asia

20

What is the incubation period of Salmonella in enteric fever?

1-3 weeks

21

What are some symptoms of enteric fever?

Fever

Headache

Constipation/diarrhoea

Dry cough

22

Which antibiotic would be tentatively used if an enteric fever patient was extremely ill?

IV Ceftriaxone

23

Which specific organisms cause typhoid and paratyphoid fever (enteric fever)?

Salmonella typhi

Salmonella paratyphi

24

Vaccination against enteric fever offers (complete / incomplete) protection.

incomplete

25

Which infectious disease causes haemolytic jaundice?

Malaria

26

Which disease occurs as a complication of diarrhoea related to E. colo 0157, Shigella infection?

HUS

27

What is a common post-hepatic cause of jaundice?

Gallstones

Helminth infection

28

What organism commonly causes amoebic dysentery?

Entamoeba histolytica

29

What are the symptoms of amoebic dysentery?

Abdominal pain

Fever

Bloody diarrhoea

leading to complications - colitis, perforation, peritonitis

30

What investigation is done to diagnose amoebic dysentery?

Stool microscopy