Skin Bacterial Infections Flashcards

1
Q

what is the appearance of lower leg cellulitis on the skin?

A

erythematous plaque with ill defined borders

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2
Q

how does cellulitis feel to person?

A

it is tender

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3
Q

what other manifestation can happen with cellulitis on the skin?

A

lymphatic streaking and palpable lymph nodes

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4
Q

what can cellulitis lead to if left untreated?

A

sepsis

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5
Q

what general symptom co occurs with cellulitis?

A

fever

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6
Q

what is most common organism for cellulitis?

A

staph aureus

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7
Q

what meds to you give for community acquired cellulitis?

A

cephalosporin

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8
Q

what meds do you give for CA MRSA?

A

doxycycline, bactrim or clindamycin

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9
Q

what meds do you give for inpatient MRSA?

A

vancomycin

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10
Q

what is cellulitis on the face called?

A

erysipelas

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11
Q

how do you treat erysipelas?

A

oral abx

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12
Q

how do you treat an abscess?

A

incision and drainage and potentially abx

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13
Q

what is a furuncle?

A

acute round tender circumscribed abscess that has central drainage, all around a hair follicle

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14
Q

what is a carbuncle?

A

coalescence of several inflamed follicles into a single mass with purulent discharge

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15
Q

where do furuncles and carbuncle occur?

A

only around hair follicles

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16
Q

what bug causes furuncles and carbuncles?

A

staph aureus

17
Q

what do you do to treat furuncles and carbuncles?

A

warm compresses to promote drainage…incise and drain if super big

18
Q

what is folliculitis?

A

superficial infection of the hair follicles

19
Q

what bug commonly causes folliculitis?

A

staph aureus

20
Q

what bug causes folliculitis if patient has been in a hot tub?

A

pseudomonas

21
Q

what commonly causes folliculitis?

A

shaving genital area

22
Q

where does folliculitis generally occur

A

genitals

23
Q

what skin lesion commonly has a honey colored crust?

A

impetigo

24
Q

what causes impetigo?

A

superficial bacterial skin infection

25
Q

who gets impetigo?

A

kids 2-5 yo

26
Q

what bug generally causes impetigo?

A

staph aureus and strep pyogenes

27
Q

what are the two types of impetigo?

A

non bullous and bullous impetigo

28
Q

describe how non bullous impetigo looks and changes over time

A

starts out as erythematous papules and then becomes more like pustules that lead to honey comb crust

29
Q

how does bullous impetigo appear on the skin?

A

flaccid bullae with clear yellow liquid

30
Q

what cause bullous impetigo?

A

staph exotoxin

31
Q

what is staphylococcal scalded skin syndrome?

A

staph a toxin gets into blood and leads to widespread blistering and tons of skin peeling

32
Q

how to treat staphylococcal scalded skin syndrome?

A

antibiotics leads to good recovery

33
Q

how do you treat impetigo?

A

topical or oral abx

34
Q

dusky blue coloration of a plaque on the skin is characteristic of what?

A

necrotizing fasciitis

35
Q

what is treatment for necrotizing fasciitis?

A

surgery immediately to remove all tissue affected