integ Flashcards
(41 cards)
epidermis
keratinocytes, melanocytes, Langerhans Cells, Basal Cells
dermis
collagen, retinaculum, fibroblasts, macrophages, lymphatic glands, blood vessels, nerve fibers
primary function of integ system
protection, insulation, holding organs tg, sensory, fluid balance, temp control, absorbing UV radiation, metabolizing Vitamin D, synthesizing epidermal lipids
Pacinian corpuscles function
starts from P as pressure
detect deep pressure and vibration
meissners corpuscles function
detect light touch and texture
merkel disks function
detect light touch, texture and pressure
Ruffini endings function
detect warmth, stretch, deformation within joints
free nerve endings function
detect pain, temp, touch, pressure, tickle and itch
Krause end bulb function
detect cold temperature
skin conditions: herpes zoster
aka shingles
has initial symptoms of pain and paresthesia localized to the affected dermatome
present as painful rash with clusters of fluid filled vesicles
mostly unilateral
raised to palpation <2mm
pink with silvery white appearance
venous insufficiency
refers to inadequate drainage of venous blood from a body part, usually resulting in edema and/or skin abnormalities and ulcerations
arterial insufficiency
refers to a lack of adequate blood flow to a region of the body
clinical presentation of venous insufficiency
proximal to medial malleolus
irregular, shallow appearance
flaking, brownish discoloration - hempsiderin staining
wet wound
mild to mod pain
elevation decreases pain
clinical presentation of arterial insufficency
lower 1/3 leg, tow, dorm of foot, lateral malleolus
smooth edges, well defined, tend to be deep
thin and shiny, hair loss, yellow nails, dry skin
intermittent claudication
elevation increases pain
stage 1. pressure ulcer
intact skin with non-blanch able redness
stage 2 pressure ulcer
partial thickness wound, superficial in nature with pink/red wound bed (shallow crater)
stage 3 pressure ulcer
full thickness wound. subcutaneous fat tissue visible but no bone, tendon and muscle exposed (deep crater). slough/eschar present. undermining and tunneling may occur
stage 4 pressure ulcer
full thickness with exposed bone, tendon or muscle. slough/eschar present. undermining and tunneling often occur
unstageable pressure ulcer
wound bed covered with slough/eschar (unable to identify depth)
deep tissue injury
intact skin purple maroon appearance
diabetic ulcer
generally located on WB surface of foot
wound examination
measure LxWxD
granulation tissue - viable
necrotic tissue - non-viable
wound drainage and color
edges: thin or thick (indurated), rolled (epibole)
periwound - surrounding the wound
maceration
if a wound is too moist, the edges and periwound will become macerated
it is identified as white, friable, over hydrates and sometimes wrinkled skin
cause: inappropriate wound care, uncontrolled wound drainage, perspiration or incontinence
desiccation
if a wound lacks moisture, the wound and periwound will become desiccated
identified as cracked, with dry or flakey edges, and the tissue within wound bed may be hard or crusty
cause - inappropriate wound care, inadequate moisture, infection, dehydration