Integumentary Flashcards
cause of diaper rash
friction, prolonged exposure to moisture/feces/ammonia, poorly washed/rinsed diapers, occlusive plastic pants, poor hygiene, overzealous cleaning
tx diaper rash
frequent diaper changes, proper cleaning & drying of diaper area, bland protective agent, no diaper, topical antimicrobial agents
small flat circumscribed lesion w/different color from skin
macule
small firm elevated lesion
papul
palpable elevated lesion varying in size
nodule
elevated erythematous lesion w/pus
pustule
elevated thin-walled lesion w/clear fluid
vesicle
large slightly elevated lesion w/flat surface topped by scale
plaque
dry rough surface or dried exudate/blood
crust
thick, dry rough surface of skin
lichenification
raised irregular and increasing mass of collagen from excessive scar formation
keloid
small deep linear crack or tear in skin
fissure
cavity with loss of tissue from epidermis and dermis often weeping or bleeding
ulcer
shallow moist cavity in epidermis
erosion
mass of sebum, keratin, and debris blocking the opening of hair follicle
comedo
cause of seborrheic dermatitis
idiopathic, heredity, pityrosporum
tx: seborrheic dermatitis
low-strength cortisone cream, hydrocortisone cream, nonprescription shampoos with tar/zinc pyrithione/selenium sulfide/sulfur/alicylic acid
tx: cradle cap
gentle massage scalp, shampoo daily with mild soap, brush hair with soft brush, apply mineral oil and cover with warm cloth, prescription lotion or cream
acute inflammation response of skin triggered by exogenous chemical/substance
contact dermatitis
cause of contact dermatitis
plants (poison ivy, oak, sumac), dyes, latex, furs, preservatives, drugs, detergents, chemicals, metals, radiation
hos is contact dermatitis diagnosed
clinical picture, pt history, prior outbreaks, patch test
tx: contact dermatitis
thoroughly clean site and apply corticosteroid cream, steroids
aka: atopic dermatitis
ezcema
chronic inflammation of skin
atopic dermatitis
cause of ezcema
idiopathic
how is atopic dermatitis diagnosed
skin exam, pt and family history
tx: atopic dermatitis
moisturizer, sunlight therapy, vitamin D, calcipotriene, topical creams or oinements w/cortisone derivative, antihistamines, tranquilizers, sedatives, some NSAIDs, injectible that blocks interleukin 4
aka: urticaria
hives
cause: urticaria
acute hypersensitivity (allergies), infection, inhalants, sunlight, temperature extremes, unknown
tx: urticaria
remove antigenic factor, antihistamines, epinephrine, prednisone, methylprednisolone, corticosteroid creams
chronic skin condition with thick flaky red patches with white silvery scales
psoriasis
cause: psoriasis
unknown, autoimmune
list precipitating factors for psoriasis
- hormonal changes
- pregnancy
- climate changes
- emotional stress
- period of generally poor health
- drugs
how is psoriasis diagnosed
characteristic rash, pt history, skin biopsy
tx: psoriasis
keep skin moist, UV exposure, psoralens medication, topical steroid creams/ointments, coaltar preparations, cream w/retinoids, low-dosage antihistamines, oatmeal baths, creams w/synthetic vitamin D analogues, chemotherapy
chronic inflammatory disease of facial skin
rosacea
cause: rosacea
unknown
how is rosacea diagnosed
pt history and clinical picture
tx: rosacea
- meds w/azelaic acid 15%
- metronidazole cream 1%
- sodium sulfacetamide
- topical antibiotics
- lifestyle changes
- reduce reasons for blushing
- avoid sun/hard exercise/extreme temp/stress/spicy food/alcohol/hot drinks/wind
- sunscreen
- laser surgery
- topical gel
inflammatory disease of sebaceous glands and hair follicles
acne vulgaris
cause of acne vulgaris
unknown
list precipitating factors for acne vulgaris
- heredity
- food allergies
- endocrine disorders
- psychological factors
- fatigue
- steroid drugs
how is acne vulgaris diagnosed
clinical picture and pt history
tx: acne vulgaris
topical/systemic antibiotics, topical keratolytic agents, meds related to vitamin A, benzoyl peroxide gels, isotretinoin
aka: herpes zoster
shingles
cause of shingles
varicella zoster virus
how is shingles diagnosed
characteristic clinical picture, blood sample, culture from vesicle scrapings
tx shingles
analgesics, mild tranquilizers/sedatives, antipruritics, steroids, drying agent, antivirals, antibiotics, capsaicin cream, lidocaine, nerve blocks
common contagious bacterial superficial skin infection
impetigo
causes of impetigo
streptococcus or staphylococcus aureus from insects, scabies, poor hygiene, anemia, malnutrition, impairment of skin integrity
how is impetigo diagnosed
clinical picture, Tzanck test, gram staining
tx impetigo
antibiotics, clean lesions, quarantine
pus-containing abscess involving hair follicle and adjacent subQ tissue
furuncle
unusually large furuncle or multiple furuncles that are connected
carbuncle
aka: furuncle
boil
cause of furuncles and carbuncles
bacterial infection with staphylococcus (gen S aureus)
list predisposing factors for furuncles and carbuncles
- diabetes mellitus
- nephritis
- immunodeficiency
- IV drug abuse
- underlying diseases
how is furuncles and carbuncles diagnosed
clinical picture
tx furuncles and carbuncles
hot compress, incision and drainage, antibiotic
bacterial infection of skin and subQ
cellulitis
cause of cellulitis
streptococcus or staphylococcus enter thru small cut/lesion
how is cellulitis diagnosed
physical exam and blood culture
tx cellulitis
- immobilize and elevate affected limb
- coll magnesium sulfate (epsom salt) solution compresses
- warm compresses
- systemic antibiotics
- aspirin/NSAIDs/acetampinophen/codeine
chronic superficial fungal infection
dermatophytosis
aka: dermatophytosis
tinea
round gray scaly lesions on scalp gen in kids
tinea capitis
aka: tinea pedis
athlete’s foot
aka: tinea cruris
jock itch
cause of dermatophytosis
direct contact w/fungus or spores
how is dermatophytosis diagnosed
clinical picture and culture of lesions
tx dermatophytosis
antifungals
____ tx tinea capitis compared to meds used to tx tinea pedis, tinea corporis, and tinea cruris
selenium sulfide 2.5%
aka: decubitus ulcer
pressure ulcer; bed sore
localized area of dead skin
decubitus ulcer
cause of decubitus ulcer
lack of blood to area
tx decubitus ulcer
topical agents
how is decubitus ulcer diagnosed
clinical picture