ID cases Flashcards

1
Q

leading cause of acute otitis media is viral or bacterial

A

viral

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2
Q

how to differentiate b/w staph & strept?

A

catalase test

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3
Q

how to tx fungal otitis externa

A

azole

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4
Q

how to tx bacterial otitis externa

A

neomycin/polymyxin B, hydrocortisol

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5
Q

how to tx chronic/recurrent swimmers ear

A

isopropyl alcohol/white vinegar

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6
Q

how to tx pseudomonas aerogenes?

A

fluoroquinolones (IV)

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7
Q

what is optochin sensitive?

A

S. pneumonia

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8
Q

what is bacitracin sensitive?

A

S. pyogenes

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9
Q

what is the gold standard for dx of strep?

A

throat culture

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10
Q

tx for strep?

A

PCN

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11
Q

how to tx salmonella?

A

NOT antibiotics

just supportive care

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12
Q

1st line tx of otitis media

A

amoxicillin

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13
Q

tx of recurrent or unresponsive otitis media

A

amoxicillin-clavulanate

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14
Q

tx acute otitis media with ____ and otitis media with effusion with______

A

Abx; watchful waiting

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15
Q

acute otitis media or OME: transudation of fluid w/ secondary infxn, potential for abscess

A

acute otitis media

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16
Q

OME (otitis media with effusion) must be dx’d with?

A

pneumotoscopy

17
Q

OME is AKA?

A

serous otitis media

18
Q

tx of GAS pharyngitis will reduce the chance of ____, but not _____

A

fever; post-streptococcal glomerulonephritis

19
Q

which gr- rod causing diarrhea: no fever, no fecal leukocytes (2)

A
  1. ETEC

2. Vibrio cholerae

20
Q

which gr- rod causing diarrhea: no fever, no fecal leukocytes, comma shaped with watery diarrhea

A

vibrio cholerae

21
Q

which gr- rod causing diarrhea: fever, fecal leukocytes, non-lactose fermenter (2)

A

salmonella

shigella

22
Q

which gr- rod causing diarrhea: fever, fecal leukocytes, comma or s-shaped

A

campylobacter jejuni

23
Q

which gr- rod causing diarrhea: fever, fecal leukocytes, lactose fermenter

A

EHEC, EPEC

24
Q

which E coli causes HUS and bloody diarrhea

A

EHEC

25
Q

in a diabetic with cellulitis, what is the next step in w.u?

A

imaging

26
Q

common cause of cellulitis in diabetic

A

staph aureus