derm of vascular disease Flashcards
thinning or depression of skin d/t reduction of underlying tissue
atrophy
erythematous, pruritic, scaling patchings on LW d/t impaired venous circulation
stasis dermatitis
inflammatory process of blood vesseks that appear as palpable purpuric papules
vasculitis
_____is a disease of supply; and ____is a disease of drainage
atrophy; swelling
vasculitis is at what level of blood flow
capillaries
chronic leg ulcers most often d/t?
venous insufficiency
what risk factors incr risk for ulcer development
smoking, obesity
normal ABI
> 0.9, under 1.2
how to do ABI
patient is supine
Erythema, scale, pruritis, erosion, exudate, crust on lower third of legs, superior to medial malleolus
stasis dermatitis
subcut fat is replaced by fibrosis that eventually impedes venous and lymphatic flow leading to edema above the fibrosis
lipodermatosclerosis
inverted champagne bottle
lipodermatosclerosis
compression wraps are indicated in tx of what type of lesion?
stasis dermatitis
location of venouc ulcer
medial region of lower led
location of arterial ulcer
ankle, toes, heels
what is the preulcerative lesion on diabetic foot
callus
do purpura blanch?
NO
results from extravasation of blood into skin or mucous membrane
purpura
petechial or purpuric lesions in a septic patient
DIC
Result from inflammation of small cutaneous vessels (vasculitis)
palpable purpura
palpable purpura is the hallmark lesion of ______
leukocytoclastic vasculitis
subcut nodules, pupura, fixed livedo reticularis; can present with ulcer and necrosis
small-medium vessel vasculitis
most common form of systemic vasculitis in kids
henoch schonlein purpura
palpable purpura, arthritis, abdominal pain, kidney disease; season
henoch schonlein purpura