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Kaplan ID > Infectious Diarrhea > Flashcards

Infectious Diarrhea Flashcards

1
Q

Campylobacter is associated with

A

Guillan barré

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2
Q

Hemolytic uremic syndrome is associated with which bug?

A

E.coli 0157:H7

Shigella

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3
Q

Hemolytic uremic syndrome dx

A

Fragmented cells, low platelets, high BUN/creatinine

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4
Q

Patient ate shellfish

A

Vibrio parahemolyticus

Vibrio vulnificus

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5
Q

Patient ate shellfish and has liver and skin disease

A

Vibrio vulnificus

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6
Q

Patient underwent blood transfusion

A

Yersinia: high affinity for iron

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7
Q

Patient has hemochromatosis

A

Yersinia: high affinity for iron

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8
Q

Patient had abx tx and both white and rbc in stool

A

C.dif

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9
Q

Best initial test?

A

Blood or fecal leukocytes

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10
Q

Blood or fecal leuko positive?

A

Salmonella, yersinia, shigella, e.coli 0157:h7, vibrio vulnificus or parahemolyticus, campylobacter

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11
Q

Stool lactoferrin compared to fecal leukocytes?

A

More sensitive

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12
Q

Most accurate test?

A

Stool culture

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13
Q

No blood and or wbc? Ddx

A

Viral
Giardia: camping
Cryptosporidiosis: AIDS

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14
Q

What is the best initial tx for mild disease?

A

Mild: hydration, getorade
Severe disease: fluid replacement and quinolone (cipro)

CAREFUL: quinolones do not cover giardia!

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15
Q

How would you define severe disease

A

Hypotensive, tachycardia, fever, abdo pain, bloody diarrhea, metabolic acidosis

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16
Q

Specific tx for giardia

A

Metronidazole, tinidazole

17
Q

How to dx cryptosporidiosis?

A

Acid fast stain

18
Q

Specific tx for crypto?

A

Treat underlying AIDS and nitazoxanide

19
Q

Poultry in history?

A

Salmonella

Kaplan ID (11 decks)

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