Integumentary Flashcards
Erysipelas
Upper dermis, raised, fever and chills, common sites: ears, face, lower extremities, organism is strept
Cellulitis
Deeper dermis, poor demarcation, usually no fever, common sites: periorbital or lower extremities, organisms staph and strept
How do you treat Erysipelas?
Perenteral antibiotics, ceftiraxone or cefazolin
When should you FU on skin infections such as cellulitis?
48 hours
How do you manage bites?
Clean and flush thoroughly, antibiotic prophylaxis in high risk cases, tetanus
When do you give shingles vaccine?
age 60 for the immunocompetent
Sx of lupus
fatigue, joint aches, butterfly rash, PAINLESS oral ulcers, renal involvement 50%, peptic ulcers
Test for lupus
ANA. Needs to be 1:160 or higher
Actinic keratosis (AK)
sun exposure major risk, few progress to squamous cell carcinoma
Basal cell carcinoma
Most common age 50-60, head and neck, pearly domed nodule leading to central ulceration and crusting, 40X more common than squamous cell
squamous cell carcinoma
head and neck common, papules, plaques, nodules, smooth, may bleed easily, need to biopsy to be sure
Malignant melanoma age
Usual age is 40s, think ABCDE
Atopic dermatitis
pruritis is main sx, chronic and recurrent, family hx allergic disease
Uticaria (HIves)
Pruritic (intense) circumscribed, raised, red with central pallor.
Impetigo
honey colored crusts
Pityriasis rosea
herald patch
Pityriasis rosea
christmas tree pattern rash
scabies
burrows
tinea copurus
well circumscribed lesion found on the trunk
Sandpaper textured rash
strep, trunk first
Basal Cell carcinoma
pearly domed nodule
Candida
bright, beefy, red rash
Psoriasis
Silvery scales
Head lice
nits
Macule
Flat discoloration, usually < 1cm in diameter, Ex freckle
Patch
Flat area of skin discoloration, larger than a macule Ex vitiligo
Papule
Raised lesion < 1 cm May be the same or different color from the surrounding skin Ex raised nevus
Vesicle
Fluid filled, < 1cm Ex varicella
Plaque
Raised lesion > 1cm May be the same or different color from the surrounding skin Ex psoriasis
Purpura
Lesions caused by red blood cells leaving circulation and becoming trapped in the skin Ex Petechiae, ecchymosis
Pustule
Vesicle like lesion with purulent content Ex impetigo, acne
Wheal
Circumscribed area of skin edema Ex Hive
NOdule
Raised lesion > 1cm usually mobile Ex epidermal cyst
Bullae
Fluid filled > 1cm Ex blister from 2nd degree burn
Excoriation
Marks produced by scratching Ex seen in areas of pruritic skin lesions
Lickrnification
Skin thickening resembling callus formation Ex Seen in areas of repeated scratching
Fissure
Narrow linear crack into epidermis exposing the dermis, ex split lip, athletes foot
Erosion
Partial focal loss of the epidermis exposing dermis Ex Area exposed after bullous lesion opens
Ulcer
Loss of epidermis and dermis, heals without scarring Ex pressure sore
Scale
Raised flaking lesion Ex dandruff, psoriasis
Atrophy
Loss of skin markings and full thickness Ex high potency steroid use
Annular
In a ring Ex Lyme disease
Reticular
Netlike cluster
