Infectious Diarrhoea Flashcards

1
Q

what is infectious diarrhoea

A

occurs when food/ drink contaminated with E.coli is ingested

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2
Q

what is the causative agent of infectious diarrhoea

A

Escherichia coli

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3
Q

what type of bacteria is E.coli

A

gram negative, rod shaped

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4
Q

when does E.coli colonise the gastrointestinal tract in life

A

few hours after birth

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5
Q

can E.coli become pathogenic

A

yes

by acquiring virulence factors or genetic mutations

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6
Q

aetiology of infectious diarrhoea

A

Infection by pathogenic strains occurs through ingestion, usually via contaminated food or water.

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7
Q

presenting symptoms of infectious diarrhoea

A

diarrhoea,

history of travel/ unknown food

abdominal discomfort/ pain

volume depletion

fever/ malaise/ nausea

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8
Q

risk factors for developing infectious diarrhoea

A

travel

contaminated food/ water

poor hygiene

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9
Q

what investigations will be done for suspected infectious diarrhoea

A

stool culture (E.coli)

FBC (high WCC, low Hb)

renal and liver function tests

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10
Q

management for infectious diarrhoea

A

rehydration (oral or IV saline 0.9%)

anti motility agent

Bismuth subsalicylate (used to treat diarrhoea, NOT FOR CHILDREN BELOW 12)

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