Gastroenteritis Flashcards

1
Q

most common viral causes

A

rotavirus

norovirus

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2
Q

how is E.coli spread

A

contact with infected faeces
undercooked minced beef e.g burgers
unwashed salad/water

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3
Q

presentation of E.Coli infection

A

bloody diarrhoea
cramps
vomiting

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4
Q

complication of E.Coli 0157 infection

A

haemolytic uraemia syndrome

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5
Q

most common cause of bacterial gastroenteritis world wide

A

campylobacter

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6
Q

how is campylobacter spread

A

unpasteurised milk
undercooked poultry
untreated water

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7
Q

presentation of campylobacter infection

A

bloody diarrhoea
fever
vomiting
cramps

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8
Q

what antibiotic can be given in severe campylobacter infection

A

ciprofloxacin

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9
Q

how is bacillus cereus spread

A

reheating rice

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10
Q

presentation of bacillus cereus

A

watery diarrhoea + vomittng

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11
Q

why should antibiotics not be used in E.Coli infection

A

increases the risk of Haemolytic Uraemic Syndrome

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12
Q

how long does it take to recover from bacillus cereus infection

A

will resolve within 24 hours

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13
Q

how is salmonella spread

A

poultry

eggs

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14
Q

how is shigella spread

A

faeces contaminated drinking water

swimming pools

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15
Q

how is staph aureus spread

A

meat

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16
Q

how is Yersinia spread

A

undercooked pork

17
Q

who does Yersinia most commonly affect? how does it present?

A

children

- diarrhoea, abdo pain, fever, lymphadenopathy

18
Q

what condition can Yersinia mimic in adults

A

appendicitis

- causes right sided abdominal pain due to mesenteric lymphadenitis

19
Q

how is listeria spread

A

soft cheese

pates

20
Q

how is clostridium perfringes spread

A

reheated meat

21
Q

what antibiotic can be used to treat clostridium perfringes

A

benzypenicillin + metronidazole

22
Q

how is cholera spread

A

contaminated dirty water

23
Q

‘rice water stools’

- infection with what organism?

A

Cholera

24
Q

what antibiotics increase risk of C.Diff

A

cephalosporins
ciprofloxacin
clindamycin

25
Q

treatment of mild C.Diff

A

oral metronidazole 400mg 3xa day for 10 days

26
Q

treatment of severe C.Diff

A

IV vancomycin + metronidazole 10 days

27
Q

symptoms of bloating, explosive diarrhoea, offensive gas in a traveller may suggest infection by what organism?

A

Giardia

28
Q

treatment of Giardia

A

metronidazole

29
Q

most common viral cause of diarrhoea in adults

A

norovirus

30
Q

most common cause of viral diarrhoea in children

A

rotavirus

31
Q

investigation for causative organism in diarrhoea

A

microscopy, culture and sensitivities