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41 Cards in this Set
- Front
- Back
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(+) Nikolsky's with superficial separation
fever, malaise erythematous, tender skin NO MUCOUS MEMBRANES |
staph scalded skin sd
"sunburned infant" |
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clinically ok
facial eruption round, demarcated borders honey crusting |
impetigo
"crusty baby" |
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what is impetigo nephritis?
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due to nephritogenic strep
edema, HTN, hematuria |
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what is the Tx of impetigo?
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topical mupirocin or retapamulin
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staph aureus is primary pathogen
GAS #2 contagious, superficial 2-5yo |
impetigo
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red, warm, tender patch
sharply demarcated |
cellulitis
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what is the primary pathogen of non-facial cellulitis?
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staph aureus
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what is the Tx of afebrile cellulitis?
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outpatient
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what pathogen causes febrile cellulitis?
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today: staph aureus, GAS, s. pneumoniae
HIB prior to vaccine |
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what is the Tx of febrile cellulitis?
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admit, IV Abx
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how is perorbital/ orbital cellulitis treated and diagnosed?
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CT scan!
ophthamalogy consult |
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what is periorbital/ orbital cellulitis assoc w/ ?
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sinus infections
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what are the signs of orbital/periorbital cellulitis?
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decr EOM, proptosis, decr vision, papilledema
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painful defecation, tenderness, fecal incontinence, blood-streaked stool, itching
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perinanal cellulitis
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what causes perianal cellulitis?
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GAS (gp A beta-hemolytic strep)
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what is the Tx of perianal cellulitis?
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PCN, topical mupirocin
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bumps on extremities
minimally tender pustules |
folliculitis
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what causes folliculitis?
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staph
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large painful red bump
firm, tender nodule deep-seated low-grade fever |
furuncle
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necrotic wound
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probably NOT a spider bite!
could be MRSA, DM ulcer, lyme ds, infection, carcinoma |
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how is a furuncle treated?
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heat
Abx I&D |
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painful, red acne-like lesions in apocrine territory
sinus tracts in apocrine distribution |
hidradenitis suppurativa
involves apocrine glands, SQ tissue, fascia |
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how is hidranenitis suppurativa treated?
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I&D, block resection, Abx
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looks like terrible diaper rash:
beefy red plaques satellite papules superficial pustules w/ collarettes |
monilial diaper dermatitis
candida infection following dermatitis |
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multiple ulcerated lesions covered w/ crust
minimal tenderness afebrile |
ecthyma = invasive impetigo
*lesions of neglect* |
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what causes ecthyma?
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GAS
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how is ecthyma treated?
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cephalexin or dicloxacillin 10 days
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swollen, tender, burning finger
fish spine injury violaceous red tender |
erysipeloid
self-limited but can use PCN unless immune-compromised |
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water park
bathing suit distribution, kids multiple pruritic, round, urticarial plaques central papule or pustule |
pseudomonas folliculitis
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how do you treat pseudomonas folliculitis?
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it's self-limited, but you can use silvadene or acetic acid
use oral quinolones if it's resistant |
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multiple violaceous lesions of dorsal arm
developed over abrasion Asx |
fish tank granuloma
mycobacterium marinum |
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how do you Dx/ Tx fish tank granuloma?
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Dx: biopsy/ culture
Tx: doxycycline 1-3mos |
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swimmer's itch
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shistisome cercarial dermatitis
(rides on snails) |
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where is swimmer's itch MC found in US?
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states around great lakes
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what is the course of swimmers itch?
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begins w/ evaporation of water
pruritis most intense in 2-3 days |
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what is the Tx of swimmer's itch?
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antihistamines, cool compress, rapid towel drying
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weakness, lethargy, jt pain
15cm erythematous macular lesion central clearing |
lyme ds
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what causes lyme ds?
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borrelia burgdorferi
spirochete from deer tick |
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fever, HA, severe mm aches
rash on arms & legs, spreading centrally petichial |
rocky mtn spotted fever
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what causes RMSF? (rocky mtn spotted fever)
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ricketsia rickettsii
from tick |
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what is the Tx of RMSF?
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doxycycline 7+ days
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