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Clin Med I > Skin Infections > Flashcards

Skin Infections Flashcards

1
Q

Folliculitis

A

inflammation/infection of the hair follicle

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2
Q

Folliculitis - organism

A

Staph > strep

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3
Q

Folliculitis - presentation

A

erythematous pustule involving hair follicle

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4
Q

Folliculitis - Tx

A

warm compress

  • avoid systemic Abx
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5
Q

Furuncle

A

involves entire hair follicle surrounding soft tissue

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6
Q

A Furuncle has how many abscesses

A

one

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7
Q

Furuncle - organism

A

Staph aureus

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8
Q

Furuncle - Tx

A
  • warm compress, I&D

- Doxy, Keflex, Clindamycin, Augementin, Bactrim

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9
Q

Carbuncle

A

group of furuncles with multiple drainage points

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10
Q

Carbuncle Tx

A
  • I&D
  • tetracyclines, Bactrim
  • F/u 3-5 days
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11
Q

Erysipelas

A

infection of the dermis

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12
Q

Erysipelas - complications

A

can progress into periorbital or orbital cellulitis

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13
Q

Erysipelas - presentation

A

erythema, shiny, well demarcated

- usually to facial cheeks

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14
Q

Erysipelas Tx

A
  • admit
  • PCN or Vanco IV
  • if outpatient, needs very close f/u (1 day)
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15
Q

Cellulitis

A

diffuse spreading infection of the epidermis, dermis, and SQ

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16
Q

Cellulitis - common location and portal of entry

A
  • common on legs

- from toe fissures or tinea pedis

17
Q

Cellulitis - organism

A

Staph and Strep

18
Q

Erysipelas - organism

A

beta-hemolytic strep

commonly Group A strep

19
Q

Cellulitis - Tx

A
  • PCNs
  • beta lactam inhibitors
  • Sulfas
  • Tetracylines
  • Vanco
  • Cephalosporins
20
Q

Necrotizing Fasciitis

A

rapid progression of destruction of SQ fascia and fat

spares muscles

21
Q

Necrotizing Fasciitis - presentation

A

bullae, crepitus of skin

22
Q

Necrotizing Fasciitis - organism

A

Group A strep

can be staph aureus

23
Q

Necrotizing Fasciitis - Tx

A

Urgent surgical consultation

24
Q

Fournier’s Gangrene

A

rapidly progressing cellulitis/gangrene of penis and scrotum

25
Q

Fournier’s Gangrene - risk factors

A

pts with Hx of DM, alcoholism, HIV, obesity, malignancy

26
Q

Fournier’s Gangrene - portal of entry

A

perianal

27
Q

Fournier’s Gangrene - organism

A

polymicrobial

likely anaerobic organisms

28
Q

Fournier’s Gangrene - Tx

A
  • surgery

- broad spectrum Abx (Vanco, Zosyn, metronidazole)

29
Q

Gas gangrene

A

progressive destruction of SQ, fat, and muscle

30
Q

Gas gangrene - organism

A

clostridium perfringens

Clin Med I (21 decks)

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