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20 Cards in this Set

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what is a malar crescent sign?
closed comedones, straw-colored cysts on outer sides of eyes

chloracne
familial form - PAPA Sd
highly inflamed comedones, papules, pustules, nodules, abscesses, draining sinus tracts
scarring, keloids
acne conglobata
rare
highly inflammatory
adolescent males
*immunologic rxn of p. acnes
*testosterone
sudden, severe, ulcerating, fever, polyarthritis
acne fulminans
which Abx is the DOC for acne?
tetracycline
papules, pustules, redness, telangiectasia
triggers: exercise, EtOH, hot liquids, spicy foods
rosacea
flushing persistent central facial erythema w/ or w/o telangiectasia
type of rosacea
erythematotelangiectatic
rosacea subtype
persistent facial erythema w/ papules or pustules
papulopustular
rosacea subtype
thickened skin
irreg surface nodularities
phymatous
rosacea subtype
burning, stinging, photosensitivity, periorbital edema
ocular
rosacea subtype
brown/yellow/red papules or nodules
granulomatous
how is rosacea different from acne?
no comedones
background erythema, telangiectasia
middle age onset
central 1/3 of face
what are possible causes of rosacea?
vascular hyper-reactivity
plasma extravasated in blush, inflammation results
also: meds, chronic edema, CT, sebaceous gland hypertrophy -> phymas
perifollicular infiltrate w/ lymphocytes
dermal edema
telangiectasia
pustular: neutrophils
follicular: granulomatous response w/ rupture
phymatous change: hypertrophied sebaceous glands, follicular plugging
rosacea
what is shear stress?
bone & SQ tissue move in opposite direction of skin
what scale is used to assess risk of developing a pressure ulcer?
braden scale - determines risk AND treatment
what makes a pressure ulcer unstageable?
full tissue thickness loss
base is covered by slough or eschar
depth can't be estab. until eschar removed, but do not remove it if it's stable
how are pressure ulcers managed?
debridement, cleansing, disinfect w/ topical Abx, dress
what should be considered if an ulcer fails to heal after treatment?
cellulitis
osteomyelitis
what is NOT a reliable indicator of infection?
WBC count
when is surgical repair indicated in pressure ulcers?
stage 3 or 4 (full thickness, w/ or w/o bone involvement)