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34 Cards in this Set
- Front
- Back
erythema multiforme
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self limited mild dermal-epidermal separation
target lesions in extremities a/w sulfonamides, penicillin, dilantin MC nondrug cause - herpes simplex infxn |
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steven johnson syndrome
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blistering
mucous membrane erosions <10% BSA fever, malaise |
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toxic epidermal necrosis
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>30% BSA
MCC (sulfa, aminopenicillins, anticonvulsants, NSAIDS, allopurinol) prodrome - high fever, sore throat, malaise INFLAMMATION OF THE MOUTH mortality 25-45% |
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Clostridium septicum should have what workup
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colonoscopy
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associated with sulfur granules w/n infected tissue
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actinomycosis
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actinomycetes vs nocardiae
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anaerobic culture
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drug of choice for ancimycosis
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pencillin G (10-20 million units IV x 2-4 weeks) followed by oral penicillin
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Mucormycosis
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acute fungal disease in facial, orbital, paranasal sinus, or cerebral
high mortality rate |
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Eikenella corrodens
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G-, facultative anaerobic, rod
subgingival plaque human/animal bites |
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ubiquitous soil dwelling G+ bascteria
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introduction through resp. tract
primary cutanenous infxn in soil contact or postop infxns |
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brown recluse spider
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no antivenom
rare systemic symptoms usually self-limited supportive care no trials proving dapsone conservative debridement |
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partial-thickness burn
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damage to dermis
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suPerficial partial thickness
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Papillary dermis
viable skin appendances intact hair follicles blisters moist pink wounds extremely painful blanch easily reepitheliaze w/n 2 weeks |
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deep partial thickness
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reticular dermis
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deep partial thickness burns
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disrupted hair follicles
mottled, dry |
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what is eschar?
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coagulated proteins from injured skin
slow cap refill hypertrophic scar without surgery re-epithelialization after 3 weeks |
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full thickness burns
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no dermal appendages for re-epithelialization
eschar - thick, leathery, dry, white or charred no blanching insensate excision and skin graft necessary |
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type of necrosis in acid burns
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coagulation
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type of necrosis in alkali burns
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liquefaction
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initial treatment of chemical burns
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remove clothing
copious irrigation for 30 minutes NO neutralizing agents |
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hydrofluoric acid burns
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give intraarterial calcium
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most important staging and prognostic tool in melanoma
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SLNB
4% complication rate performed >1mm |
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Independent predictors of mortality in nec fas
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WBC>30000
Cr >2 heart disease |
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Independent predictors of limb loss in nec fas
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heart disease and shock
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clostridial nec fas
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prior injury, IVDU
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painful, rapidly developing ulceration with serpiginous , bluish, undermined borders from a pustule
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pyoderma gangrenosum
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pathergy
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ulcer expansion with minimal trauma (pyoderma gangrenosum)
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venous stasis ulcers
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80-90% of all leg ulcers
medial gaitor region 70% irregular edges |
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stigmata of chronic venous insufficiency
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hyperpigmentation 2/2 hemosiderin
dermal fibrosis varicose veins |
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arterial insufficiency ulcers location and appearance and symptoms
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below malleoli
punched out appearance |
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calciphylaxis
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soft tissue calcification
rapid onset large painful violaceous plaques seen in ESRD hyperPTH, low Ca, hyper P, hypoMg, hypertrig |
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Management of sarcomas
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resection (2-3cm margins) + pre or post XRT
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role of chemo in sarcomas
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only in ewing's and rhabdo
increased wound complications if given preop |
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grade = size in staging?
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true
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