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Gastroenterology > Gastroenteritis > Flashcards

Gastroenteritis Flashcards

1
Q

What patient group is susceptible to rotavirus?

A

children < 3y/o

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2
Q

What is the vector for rotavirus?

A

Contaminated water and food

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3
Q

What is the vector for noravirus?

A

Ingestion of faecal matter - food, water.

Shellfish also.

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4
Q

What is the presentation of rotavirus?

A

Acute fever and vomiting.

Then latent watery diarrhoea.

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5
Q

What is the presentation of noravirus?

A

Sudden onset diarrhoea and vomiting.

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6
Q

What bacteria can cause haemolytic uraemic syndrome?

A

E. coli 0157

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7
Q

What is the triad of features in haemolytic uraemic syndrome?

A

AKI
Microangiopathic haemolytic anaemia
Thrombocytopenia

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8
Q

What supportive management should be used in haemolytic uraemic syndrome?

A

Fluids
Transfusions
Dialysis if necessary

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9
Q

What 3 drug types should be avoided in haemolytic uraemic syndrome?

A

antibiotics
anti-motility agents
NSAIDs

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10
Q

What foods can you get salmonella from?

A

Poultry
Meat
Raw egg

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11
Q

What are the 2 bacteria that cause gastroenteritis within 6 hours (short-incubation period)?

A

Bacillus cereus

Staph aureus

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12
Q

What is the incubation period for salmonella?

A

12-48 hours

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13
Q

What is the incubation period for E. coli?

A

12-48 hours

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14
Q

What foods does bacillus cereus affect?

A

Starchy foods that have been “left out” then re-heated

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15
Q

What foods does staph aureus affect?

A

Milk
Meat
Fish left out

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16
Q

What food does campylobacter affect?

A

Poultry and rarely raw milk

17
Q

How may salmonella present?

A

Diarrhoea with potentially bloody stool.

18
Q

How may campylobacter present?

A

Flu-like prodrome
Crampy abdo pain, fever
Diarrhoea that may have blood

19
Q

What blood results would you expect in haemolytic uraemic syndrome?

A

low Hb
high WBC
low platelets

red cell fragments

LDH raised by about 1.5x

20
Q

What food is normally affected by listeria?

A

Unpasteurised milk
Deli food
Can survive in food kept in fridge

Gastroenterology (2 decks)

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