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MSK/Skin > pyogenic skin infections > Flashcards

pyogenic skin infections Flashcards

Identify common microbial causes of pyoderma, impetigo, erysipelas, cellulitis, fasciitis, myositis, and osteomyelitis. Diagnose staphylococcal and streptococcal infection by microbiological lab results.

1
Q

primary causes of skin and soft tissue infection

A

staph a/ strep pyogenes

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2
Q

coagulase positive gm + cocci

A

staph auerus

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3
Q

causes folliculitis

A

S aureus

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4
Q

infection confined to epidermis

A

folliculitus

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5
Q

causes furuncles

A

S aureus

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6
Q

treatment for furuncles

A

small - moist head to promote drainage

large - incision and drainage

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7
Q

carbuncles def:

A

multiple furuncles forming together

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8
Q

furuncle def

A

boil (deep folliculitis into the dermis)

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9
Q

treament for carbuncle

A

incision and drainage

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10
Q

treatment for s pyogenes

A

penicillin

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11
Q

def inpetigi

A

superficial pyoderma with discrete borders - mostly in kids

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12
Q

casues of impetigo

A

s aureus/s pygogenes

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13
Q

discrete bordered skin infection with thick, honey colored crust

A

impetigo

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14
Q

treatment for impetigo

A

topical muprocin or fusidic acid. oral antibiotic if extensive

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15
Q

MOA of mupirocin and fucidin

A

protein sythesis inhibitor

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16
Q

fucidin combined with

A

rifampin

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17
Q

causes scalded skin syndrome and bullous impetigo

A

staph A

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18
Q

area to culture for scalded skin

A

nasppharyngeal culture

19
Q

localized scalded skin syndomr

A

bullous impetigo

20
Q

causes erysipelas

A

S pyogenes

21
Q

def erysipelas

A

superficial form of cellulitus

22
Q

skin infections that can spread rapidly by the hour

A

erysipelas

23
Q

poorly demarcated infection of subQ tissue

A

cellulitus

24
Q

cause of cellulitis

A

s pyogenes/S aureus

25
Q

demarcated subq infection

A

erysipelas

26
Q

catalase/coagulase positive bug

A

Staph A

27
Q

catalase +/coagulase -

A

staph (NOT A)

28
Q

catalase/coagulase -

A

strep

29
Q

can be treated w/penicillin

A

s pyogenes

30
Q

seriously painful infection that spreads along fascial planes

A

fasciitis

31
Q

most common cause of faciitis

A

s pyogenes

32
Q

treatment for faciitis

A

surgical intervention

33
Q

infection of muscle planes

A

myositis

34
Q

infection caused by c perfringens

A

myositis

35
Q

cause of mysitis

A

staph A and S pyogenes

36
Q

causes osteomyelitis

A

staph A

37
Q

associated with brodie’s abcess

A

osteomyeltis

38
Q

most common type of osteomyletis in kids

A

hematogenous

39
Q

most common type of osteomyletis in adults

A

secondary to contiguous focus of infection

40
Q

treatment of early osteomyletis

A

possible medical

41
Q

treatment of chronic osteomyeltis

A

surgical debridement

42
Q

cause of septic arthritis in sexually actibe persons

A

n gonorrhoeae

43
Q

level of skin at which systemic antibiotics are used

A

dermis and below

MSK/Skin (18 decks)

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