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56 Cards in this Set
- Front
- Back
what organism causes acne?
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1. propionibacterium acnes infxn of blocked pore
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what is acne?
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1. inflamm of pilosebaceous unit caused by secondary
2. propionibacterium acnes infxn of blocked pore |
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what are si/sx of acne?
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1. open comedones (blackheads) and
2. closed comedones (whiteheads) on face, neck, chest, back and buttocks 3. can become inflamed and pustular |
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what are comedones?
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1. whiteheads and blackheads of acne
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what is tx for acne?
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1. topical benzoyl peroxide
2. topical clindamycin 3. oral tetracycline 4. oral erythromycin 5. topical tretinoin 6. lart resort=oral isotretinoin (teratogienic!!) |
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what is the last resort for tx of acne and is teratogenic?
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oral isotretinoin
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what is 1% hydrocortisone potency and use?
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1. low potency
2. use for dz on: face, genitals, skin folds (prevent atrophy/atriae), also use in children for dz on body |
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what is 0.1% triamcinolone potency and usage?
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1. moderal potency
2. use for dz on body/extremities or increased dz on face, genitals, and skin folds |
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what is fluocinonide (Lidex) potency and usage?
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1. high potency
2. use for dz on thick skin (palms/soles) or increased body dz, do not use on face!!! |
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where should you NOT use fluocinonide (Lidex) on?
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do NOT use on face!!
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what is diforasone potency and usage?
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1. very high potency
2. use for dz on thick skin or if very severe on body |
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what is the potency of lotion, cream and ointment?
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1. lotion=lowpotency
2. cream= mid potency 3. ointment= high potency |
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what is impetigo?
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1. superficial skin infxn of epidermis
2. caused by staph aureus and strept pyogenes |
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what are si/sx of impetigo?
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1. honey-crusted lesions or vesicles occurring most often in children around the nose and mouth
2. can be bullous or nonbullous 3. common organisms include Staph aureus and Strep pyogenes |
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where do you find honey-crusted leions or vesicles?
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1. impetigo!!
2. staph aureus and strep pyogenes |
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what is tx for impetigo?
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1. keflex (cephalexin) or
2. oxacillin for 7-10 days |
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what is folliculitis?
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1. erythematous pustules commonly noted around beard area
2. S. aureus m/c 3. Psedomonas causes "hot tub" folliculits |
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what are common organisms of folliculitis?
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1. S. aureus is m/c
2. Pseudomonas aeruginosa causes "hot tub" folliculitis (organism lives in warm water) 3. fungi and viruses |
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what condition is characterized by erythematous pustules commonly noted around the beard area?
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folliculitis
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how do you tx folliculitis?
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1. local wound care
2. Keflex only if severe (cephalexin) |
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what are si/sx of cellulitis?
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1. spreading subcuaneous infx c/ classic signs of inflamm
2. rubor (red) 3. calor (heat) 4. dolor (pain) 5. tumor (swelling) |
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what are the classic signs of inflamm?
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1. rubor (redness)
2. calor (heat) 3. dolor (pain) 4. tumor (swelling) |
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what are m/c etiologies of cellulitis?
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1. staph
2. strep |
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what is tx for cellulitis?
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1. oxacillin
2. Keflex (cephalexin)= 1st gen. cephalosporin c/ good activity against aerobic gram positive and some gram negatives |
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what is found with an abscess?
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1. local collection of pus
2. often with fever 3. increased white count |
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what is tx for an abscess?
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1. incision and drainage
2. can add Keflex (cephalexin) |
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what is a furuncle?
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1. boil
2. pus collection in 1 hair follicle 3. often caused by S. aureus |
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what is a carbuncle?
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1. pus collection involving many hair follicles
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what is tx for a furuncle or a carbuncle?
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1. I&D
2. add Keflex (cephalexin)= 1st gen. cephalosporin c/ good activity against aerobic gram positive and some gram negatives or 3. oxacillin |
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what is paronychia?
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1. infxn of skin surrounding nail margin that can extend into surrounding skin and into tendons within hand
2. commonly caused by S. aureus, also Candida |
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how do you tx paronychia?
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1. warm compress
2. I&D is area is purulent 3. add Keflex if severe: Keflex (cephalexin)= 1st gen. cephalosporin c/ good activity against aerobic gram positive and some gram negatives |
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what is paronychia ofen caused by?
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1. S. aureus
2. Candida |
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what is necrotizing fasciits?
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1. infxn along fascial planes with sever pain, fever, increased white count
2. locat inflamm may be deceptively absent but pt will appear very ill |
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what is necrotizing fasciitis caused by?
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1. S. pyogenes (group A Strep)
2. Clostridium perfringens |
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what is tx for necrotizing fasciitis?
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1. immediate, extensive surgical debridement
2. add penicillin and clindamycin to help prevent further spread |
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what is px for necrotizing fasciitis?
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1. high mortality unless debridement is rapid and extensive
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what is the cause of scarlet fever?
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1. S. pyogenes (group A Strep {GAS}!)
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what are si/sx of scarlet fever?
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1. "sunburn with goose bumps"
2. rash--finely puncatate, erythematous but blanches c/ pressure, initally on trunk, generalizes within hours 3. sandpaper rough skin, 4. strawberry tongues, beefy-red pharynx, circumoral pallor 5. pastia's lines= rash, most intense in creases of axillae and groin 6. eventual desquamation of hands and feet as rash resolves |
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what are pastia's lines and where are they found?
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1. rash of scarlet fever
2. most intnse in creases of axillae and groin |
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what is found with "sunbrun c/ goose bumps", strawberry tongue, and Pastia's lines?
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scarlet fever (S. pyogenes--group A strep--GAS!)
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what are systemic sx of scarlet fever?
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1. fever, chills, delirium
2. sore throat, cervical adenopathy 3. all of which appear at same time as rash |
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what are complications of scarlet fever?
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1. rheumatic fever
2. glomerulonephritis |
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what are rheumatic fever and glomerulonephritis complications of?
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1. scarlet fever
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what is tx for scarlet fever?
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1. penicillin
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what is hidradenitis suppurativa?
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1. plugged apocrine glands presenting as inflamed masses in groin/axilla
2. becomes secondarily infected |
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what is tx for hidradenitis suppurativa?
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1. plugged apocrine glands presenting as inflamed masses in groin/axilla
2. surgical debridement and abx |
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what are Rose spots and where are they found?
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1. small, pink papules in groups of 1-2 dozen on trunk
2. found in 30% of pts with typhoid fever (Salmonella typhi) |
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what are si/sx of typhoid fever?
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1. rose spots
2. high fever, myalgias, abd tenderness, splenomegaly 3. classic pulse-fever dissociation= high fever c/ relative bradycardia (also seen in brucellosis) |
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what is classic pulse-fever dissocation and where do you find it?
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1. high fever c/ relative bradycardia
2. seen in typhoid fever and brucellosis |
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what is tx for chronic aSx typhoid fever?
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1. carrier state such as "typhoid Mary"
2. cholecystectomy b/c S. typhi resides in the gallbladder |
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where does S. typhi of typhoid fever reside?
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1. in the gallbladder
2. cholecystectomy for aSx pts |
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what is erythrasma?
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1. irregular erythematous rash found along major skin folds
2. axilla, groin, fingers, toes and breasts 3. commonly seen in adult diabetics, caused by Corynebacterium spp. |
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what does corynebacterium spp. cause?
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1. erythrasma (irregular erythematous rash found along major skin folds)
2. seen in adult diabetics |
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how do you dx erythrasma?
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1. Wood's lamp os skin
2. see coral red fluorescence (result of proporphyria III) 3. KOH prep negative 4. tx with erythromycin |
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what do you use a Wood's lamp for?
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1. dx of erythrasma
2. see coral red fluorescence (result of proporphyria III) 3. KOH prep negative |
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how do you tx erythrasma?
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1. erythromycin
2. Corynebacterium spp. |