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Flashcards in Gastroenteritis Deck (21)
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1

What are the incubation periods of different causes of gastorenteritis?

1-6 hours - staph aureus and bacillus cerus
12-48 hours - salmonella and E.coli
48-72 hours- shigella and campylobacter
>7 days - giardiasis and amoebiasis

2

What are the toxin-producing causes of gastroenteritis?

Staph Aureus
C.perfringens
Bacillus Cerus
E.Coli 0157

3

What is the most common cause of gastroenteritis?

Campylobacter

4

Which 2 causes of gastroenteritis can cause large outbreaks?

E.coli and salmonella

5

Which cause of gastroenteritis is the most common in children under 3 years of age?

Rotavirus

6

Which cause of gastroenteritis can cause explosive vomiting?

Norovirus

7

Which cause of gastroenteritis should be suspected in patients who have been travelling?

E.coli

8

Which causes of gastroenteritis can cause bloody diarrhoea?

Campylobacter
Shigella
E.coli 0157

9

How can campylobacter be picked up?

Poultry
Raw milk
Poor food prep

10

How can salmonella be picked up?

Raw egg
Poultry
Meat
Reptiles

11

How can E.coli be picked up?

Beef
Raw milk
Water

12

How can bacillus cerus be picked up?

Starchy foods e.g rice

13

How is infection with C.Diff managed in terms of non-severe, severe and life threatening stages?

Non severe - oral metronidazole
Severe - oral vancomycin
Life threatening - Oral vancomycin and IV metronidazole

14

Which causes of gastroenteritis can cause the complication of haemorrhage colitis?

C.diff and E.coli

15

Which cause of gastroenteritis can involve HUS as a complication?

E.coli

16

Which cause of gastroenteritis can cause bacteraemia in the immunosuppressed?

Salmonella
Campylobacter

17

Which causative organisms of gastroenteritis do routine lab tests on faeces look for?

Salmonella
Shigella
Campylobacter
Cryptosporidium
E.coli
C.diff

18

Which cause of gastroenteritis would need a blood culture for diagnosis?

Typhoid

19

Which cause of gastroenteritis could stool PCR diagnose?

Norovirus

20

Which causes of gastroenteritis could stool microscopy diagnose?

Giardia, amoeba, parasites

21

Which causes of gastroenteritis could stool toxins diagnose?

Clostridium difficile and E.coli