gastroenteritis Flashcards

1
Q

what is the investigation for a bacterial gastroenteritis?

A

culture and sensitivity

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2
Q

what is the investigation for c diff?

A

PCR for toxin A/B

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3
Q

what is the investigation for viral gastroenteritis?

A

stool antigen

PCR - norovirus and rotavirus

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4
Q

what it is the investigation for parasitic gastroenteritis?

A

stool microscopy +/- duodenal aspiration

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5
Q

what is norovirus?

A

winter vomiting bug

sudden onset of violent D&V

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6
Q

what is rotavirus?

A

seen in children <5 and immunocompromised

most common cause of diarrhoea in children <3

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7
Q

when should parasitic infections be suspected in gastroenteritis?

A

diarrhoea lasting longer than 7 days

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8
Q

what is cryptosporidium?

A

parasitic infection causing chronic diarrhoea in HIV+

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9
Q

what is giardiasis?

A

parasitic infection causing long, protracted travellers diarrhoea

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10
Q

how long is the intubation for staph aureus?

A

1-6 Horus

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11
Q

what is the presentation of staph aureus gastroenteritis?

A

severe N + V +/- D

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12
Q

what are the main sources of staph aureus?

A

unrefrigerated meat or cream

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13
Q

what is the incubation for bacillus cereus?

A

1-6 hours

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14
Q

what is the presentation for bacillus cereus?

A

N + V +/- D

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15
Q

what are the main sources for bacillus cereus?

A

rice - Chinese takeaway

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