Infection Flashcards

1
Q

what is the main symptom in GI infections

A

diarrhoea

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2
Q

how will dehydration present

A

dry skin/lips, low blood pressure, high heart rate, low urine output

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3
Q

what type of organism is cyclospora cayetanensis

A

parasite

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4
Q

how is cyclospora cayetanensis transmitted

A

fecal-oral

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5
Q

what are the symptoms of infection with cyclospora cayetanensis

A

anorexia, nausea, watery diarrhoea, fatigue, pain

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6
Q

what is the treatment for cyclospora cayetanensis normally

A

supportive - fluid dehydration, pain medication

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7
Q

what is the treatment of cyclospora cayetanensis in immunocompromised patients

A

trimethoprim-sulphamethoxazole

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8
Q

what type of organism is campylobacter

A

gram negative bacteria

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9
Q

how is campylobacter transmitted

A

contaminated food/water, direct contact with farm animals

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10
Q

what animal is campylobacter usually found in

A

normal flora of poultry

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11
Q

what are the symptoms of infection with campylobacter

A

vomiting, bloody diarrhoea, pain, fever

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12
Q

what are the acute complications of campylobacter

A

cholecystitis, peritonitis, rash, sepsis, pericarditis

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13
Q

what are the chronic complications of campylobacter

A

reactive arthritis and Gullain-Barre syndrome

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14
Q

what is Gullain-Barre syndrome

A

where theres muscle paralysis

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15
Q

what is the treatment for campylobacter

A

supportive

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16
Q

what type of organism is shigella

A

gram negative, rod shaped bacteria

17
Q

what is the transmission of shigella

A

fecal-oral

18
Q

describe the mechanism of the shigella infection

A

invades epithelia lining of colon - it reproduces in the cell and forms mucosal abscesses - it then invades neighbouring cells

19
Q

give a virulence factor of shigella

A

it produces the exotoxin, Shiga toxin

20
Q

what are the symptoms of shigella

A

bloody diarrhoea, pain, vomiting, fever and nausea