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Family Medicine Misc.
Terms in this set (83)
MC Infectious cause of Erythema multiforme?
What Clinical manifestations are pathognomonic for Erythema multiforme?
Target (iris) lesions: dull "dusty-violet" red, purpuric macule/vesicle or bullae in the center
What is the main difference between the erythema multiforme minor vs. major?
Erythema multiforme major includes at least ONE muscal membrane
What is the management of erythema multiforme?
symptomatic tx; d/c if drug causing rash, steroids/lidocaine for oral lesions
What is the serum tumor marker for testicular cancer?
What is the normal treatment for bacterial meningitis for patients > 50 years old?
Vancomycin + cefotaxime OR ceftriaxone + Ampicillin (listeria)
Also known as:
Adenocarcinoma in situ of the lung
Lichen simplex chronicus: Clinical manisfestation
scaly, well-demarcated rough plaques with exaggerated skin lines
Lichen planus: Clinical Manisfestation
5 P's: Purple, Polygonal, Planar, Pruritic papules with fine scales
Lacy Lesions of the oral mucosa, assoicated with lichen planus
Pityriasis Rosea: Clinical manisfestation
herald patch on trunk, pruritic, followed by exanthem 1 to 2 weeks later, christmas tree pattern
Solitary salmon colored macule, associated with Pityriasis Rosea
Christmas Tree Pattern
associated with Pityriasis Rosea
MC type, MC on extensor surfaces, dark-red papules/plaques with thick silver/white scales, associated nail pitting
Punctate bleeding with removal of plaque, can be associated with psoriasis and actinic keratosis
skin lesions at line of trauma, associated with plaque psoriasis
lacks scale, worst type of plaque psoriasis
small, erythematous papules with fine scale, discrete lesions with confluent plaques
inflammatory arthritis associated with psoriasis, stiffness > 30 minutes relieved by activity
Commonly seen in psoriasis, along with Pencil in cup X-ray finding in digits.
Pencil in a cup xray
Seen often in those with psoriasis arthritis, also assoicated with sausage fingers.
Pityriasis Versicolor is an overgrowth of what kind of yeast?
Malassezia (is a normal part of flora)
round/oval macules with fine scaling, may be hyper/hypo pigmented, involved skin fails to tan with sun exposure.
Pityriasis Versicolor: Diagnosis?
KOH Prep: hyphae & spores, spaghetti and meatballs, can be seen with wood's lamp
Pityriasis Versicolor: Treatment?
1st line: Selenium sulfide, azole antifungals (if given cannot shower for 8 or 12 hours)
Infants: Cradle Cap
Adults: Hair-baring areas, common in scalp (Dandruff)
Seborrheic dermatitis: Treatment?
Selenium Sulfide, ketoconazole, steroids
Urticaria: clinical manisfestion
blanchable, edematous pink papules, wheals or plaques
painless deeper form of urticaria affecting lips, tongue, eyelids, hands, feet, and genitals. BEWARE of anaphylaxis
Type I HSN (IgE), histamine release from mast cells.
localized urticaria appearing where skin is rubbed
MC from drug eruptions (sulfa and anticonvulsant meds) or infections (mycoplasma, malignancy)
Mild Acne vulgaris: presentation and treatment
comedone and small amounts of papules +/- pustules, Tx: topical retinoids, Benzoyl peroxide; To
Steven-Johnson Vs. Toxic Epidermal Necrolysis
SJS: 10% of skin VS. TEN: >30% of skin sloughing
What differentiates Rosacea from acne?
No comedones in rosacea
What is the treatment for Rosacea?
topical metronidazole, lifestyle changes (sunscreen, avoid toners, astringents, camphor)
Autoimmune destruction of melanocytes
Treatment of Vitiligo
Systemic phototherapy (may aid in repigmentation)
"greasy stuck-on appearance"
What can be used to diagnose mucosal HPV?
whitening of lesion with acetic acid application
painful, erythematous inflammatory nodules seen on anterior shins; typically bilaterally
What are some common causes of erythema nodosum?
Estrogen exposure (OCP's, pregnancy)
Infections (strep, TB, sarcoid, fungal: coccidioidomycosis)
How is erythema nodosum typically managed?
self-limited and resolves spontaneously
What is the most common type of skin cancer in the US?
Basal Cell carcinoma
Basal Cell carcinoma
small, raised, translucent/pearly/waxy papule with central umbilication, telengiectasia
Squamous cell carcinoma in situ
MC pathogens that cause bullous impetigo?
Staph Aureus, GABHS
honey-colored crust, MC type of impetigo
Usually seen in newborn/young children, thin "varnish like crusts"
Caused by GABHS, not common
What is the topical drug of choice for Impetigo?
What is the drug of choice for extensive impetigo?
Cephalexin and Dicloxacillin
Medical management for cellulitis?
Cellulitis caused by Cat bite? Pathogen and treatment
Pasteurella multocida Tx: Augmentin, Doxy if penicillin allergic.
Treatment of Folliculitis?
Mupirocin topical, PO: dicloxacillin, cephalexin
Difference between folliculitis and furuncle?
Furuncle are deeper than hair follicle; fluctuant abscess with central plug
Differences between Carbuncle vs. furuncles?
carbuncles have multiple openings, interlocking furuncles
Treatment of Furuncles?
Same as carbuncles: I & D. Heat compresses, Dicloxacillin or Cephalexin if cellulitis
What is the most common pathogen of Paronychia?
Treatment of Paronychia
Warm socks, Cephalexin, I&D
Tx: spontaneously resolve 3 to 6 months
Tx of lice (pediculosis), Capitus
Tx of lice (pediculosis) pubis
Lindane (SE: neurotoxic - headaches and seizure)
Bedding and Clothing recommendations for lice outbreaks?
hot water with detergent and dried in hot dryer for 20 minutes, if cannot be washed, air tight bag x 14 days
Red itchy pruritic, papules or nodules on scrotum glans or penile shaf, body folds is pathognomonic for what?
What is the drug of choice for scabies?
Lindane is cheaper (HOWEVER - do not use after bath/shower, opens pours and can cause seizures, and CI in pregnancy, breastfeeding or children)
Fungal skin infections caused by Microsporum, Trichophyton and epidermophyton
Autoimmune reaction due to desmosone disruption (which affect keratinocytes) - the cells hold skin together, 1st start with oral mucosal erosions and ulcerations
Treatment for Pemphigus Vulgaris
Systemic corticosteroids, immunosuppressants (azathioprine)
Demographic differences between Pemphigus Vulgaris and Bullous Pemphigoid?
Pemphigus Vulgaris: 3o to 40's
Bullous Pemphigoid: Elderly 65 to 75's
Treatment of Bullous Pemphigoid?
Brown Recluse Spider bite
hemmorrhagic bullae that undergoes ESCHAR formation
Treatment Brown Recluse Spider bite
MC axilla, under breast, groin, and buttock area
Treatment of Hidradenitis suppurative
I & D - intralesional triamcinolone
Systemic ABX: tetracycline, cephalosporin
What what degree do burns become painless?
3rd degree and greater
What is the most painful of all burns?
2nd degree: Superficial Partial thickness (epidermis + superficial portion of dermis)
At what degree of burn is capillary refill absent?
2nd degree: deep partial thickness (epidermis + deep
What kind of ABX should be applied to any non-superficial burn?
Silver sulfadiazine (CI: sulfa allergies and pregnancy)
What should be applied to superficial burns?
Aloe Vera or topical antibiotic (bacitracin)
IV fluid resuscitation for burns
1/2 first 8hrs and the other 1/2 in remaining 16 hours
For both asthma and COPD exacerbations what are the maintains of treatment?
Oxygen, bronchodilators and steriods
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