Week 9: Skin Care Flashcards
(43 cards)
Functions of the Skin
- Protect underlying structures
- Regulate body temperature
- Sensory input
- Stores fat
- Metabolism of salt and water
- Gas exchange
- Production of vitamin D
Xerox is
Extremely dry, cracked and itchy skin.
Xerosis is caused by
-Decrease in epidermal filaggrin, which is a protein required for binding of keratin into macrofibrils.
Xerosis is primarily found on the
- Extremities (mostly the legs)
- May affect trunk and face
Pruritus
- Itchy skin
- Can cause skin injury secondary to scratching
Pruritus can be aggravated by
- Perfumed detergents
- Fabric softeners
- Heat
- Sweating
- Restrictive clothing
- Exercise
- Medications
Pruritis may result from
-Systemic disease such as chronic renal failure, biliary or hepatic disease.
Failure to control pruritus can increase the risk for what?
- Eczema excoriation
- Cracks
- Infection
Scabies
- Causes intense itching
- Caused by tiny mite (sarcoptes Scabiei)
- Contagious, easily transmitted through close physical contact; intimate or casual.
How is scabies diagnosed?
Visually or via skin scraping
How is scabies treated?
- Prescribed lotions and creams
- Clothes and linens need to be washed in hot, soapy water and dried with high heat.
- Rooms need to be cleaned and vacuumed.
Purpura
- Fragility of dermal capillaries secondary to dermal thinning causing blood vessels to rupture -> extravasation of blood into surrounding tissue.
- Increases with age.
- Commonly seen on dorsal forearm and hands.
What makes a person more susceptible to purpura?
Blood thinners
Skin Tears
- Occurs because the skin is thin and fragile.
- Painful, acute, accidental in nature.
Management of Skin Tears
- Proper assessment
- Control of bleeding
- Cleanse with nontoxic solution
- Appropriate dressing
- Management of exudate
- Prevention of infection
What are types of keratosis?
- Seborrheic Keratosis
- Actinic Keratosis
Seborrheic Keratosis
- Benign growth
- Mainly see on trunk, face, scalp, and neck
- Waxy, raised, stuck-on appearance
- Flesh colored or pigmented, various sizes
Actinic Keratosis
- Precancerous
- Related to exposure to UV light
- Rough scaly sandpaper patches
- Pink to reddish brown with erythematous base
What increases the risk for actinic keratosis?
- Increased age
- Fair complexion
Herpes Zoster (Shingles)
-Viral infection caused by reactivation of the varicella-zoster (chicken pox) virus
Herpes Zoster (Shingles) are preceded by
- Itching
- Tingling
- Rash along the dermatology prior to outbreak of vesicular lesions
Signs of Herpes Zoster (Shingles)
- Lesions that rupture, crust over and heal
- Infectious until crusts over
Treatment for Herpes Zoster (Shingles)
- Analgesics
- Calamine lotion
- Antiviral agents
- Zoster vaccine if greater than 60 years old
What are complications of Herpes Zoster (Shingles)?
- Postherpetic neuralgia
- Eye involvement