Compression Flashcards
two types of pressure involved in capillary filtration pressure
hydrostatic, osmotic
compression increases blank pressure
hydrostatic
we swell because the blank is broken and the guts spill out
cell membrane
compression is the application of a blank force that increases external pressure on the body or a body part
mechanical
compression improves blank balance and modifies blank formation
fluid, scar tissue
compression improves blank circulation
venous/lymphatic
increased hydrostatic pressure in the interstitial space will limit the blank of fluid from tissues
outflow
compression indications
edema, dvt, venous ulcers
presence of abnormal amounts of fluid in the extracellular tissue spaces in the body
edema
edema has a blank osmotic and hydrostatic pressure inside and outside the tissue
equal
hydrostatic pressure increases for each cm below the blank
atrium
calf pressure when contracted
200 mm Hg
calf pressure without contraction
10-30 mmHg
edema inflammation in the veins is very common
phlebitis
fluid flows in lymphatics due to increased blank pressure inside vessels
osmotic
contractures can be created from fibrosis and hard indurations of skin from laying down of collagen
persistent chronic edema (lymphedema)
area of tissue breakdown and necrosis secondary to impaired venous circulation
venous stasis ulcers
contraindications of compression
heart failure, recent dvt, obstructed venous return, skin infection, fracture
precautions of compression
cancer, hypertension, stroke, impaired sensation
3 applications of compression
bandaging, garments, intermittent compression pump
bandaging is applied blank to blank
distal, proximal
semirigid bandage formed by zinc oxide-impregnated gauze applied to the lower extremity
unna boot
compression bandaging is like ice because it does not
decrease existing edema
pressure of compression should never be greater than blank pressure
systolic
