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Infectious Disease > Cases 2 > Flashcards

Cases 2 Flashcards

1
Q

What are the common viral causes of oral enteritis?

A

Norovirus

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2
Q

What are the three characteristics that differentiate salmonella and shigella?

A

Salmonella:

  1. H2S fermentation
  2. Motile
  3. Oxidase positive***
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3
Q

What is the treatment for salmonella?

A

supportive–NO anti-diarrheal or abx

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4
Q

Why are abx contraindicated for salmonella infection?

A

prolongs fecal shedding

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5
Q

What are the fast lactose fermenters? (3)

A

Klebsiella
E. eoli
Enterobacer

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6
Q

What are the non-lactose fermenters? (4)

A

Shigella
salmonella
Proteus
Pseudomonas

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7
Q

What are the 2 slow lactose fermenters?

A
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8
Q

What is the morphology of vibrio cholera?

A

Comma shaped, gram negative

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9
Q

What species of e.coli causes HUS?

A

0157:H7

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10
Q

What are the three “curved” gram negative rods?

A

Campy
Vibrio
Helicobacter

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11
Q

Reheated rice?

A

Bacillus cereus

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12
Q

Canned food?

A

Clostridium botulinum

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13
Q

Mayo food poisoning?

A

Staph Aureus

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14
Q

Gas gangrene or raw chicken food poisoning?

A

Clostridium perfringens

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15
Q

What type of diarrhea: cryptosporidium?

A

watery

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16
Q

What type of diarrhea: entamoeba histolytica?

A

Bloody

17
Q

What type of diarrhea: giardia?

A

Fatty

18
Q

What are the causes of the common cold? (3)

A

Rhinovirus
Coronavirus
Adenovirus

19
Q

What is the cause of croup?

A

Parainfluenza virus type 1

20
Q

What is the treatment for RSV?

A

Watchful waiting/supportive

21
Q

What is the most common type of bacteria that causes empyemas?

A

Anaerobes

22
Q

What is the causative agent of chancroid?

A

Haemophilus ducreyi

23
Q

What is the r/o test for herpes?

A

Tzanck smear

24
Q

What is the r/o test for syphilis?

A

VRDL

25
Q

What are the histological findings of a positive tzanck smear?

A

Multinucleated giant cells

26
Q

What is the best way to diagnose chanchroid?

A

Serology

27
Q

What is the treatment for chancroid?

A

Macrolide

28
Q

What is the causative agent of granuloma inguinale?

A

Klebsiella granulomatis

29
Q

What are the two most common causative agent of cellulitis?

A

Staph aureus

Strep

30
Q

What is the role of a Tc bone scan?

A

Visualizes where bone is being resorbed

31
Q

What is the treatment for osteomyelitis?

A

Surgical drainage or debridement, abx for weeks

Infectious Disease (18 decks)

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