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Week 3 Terms- Spring

Angiography Injection of contrast medium into the arterial vessel and visualization of vessels as radio-opaque material passes through them
Ankle-Arm Index (AAI) or Ankle-Brachial Index (ABI) The ratio of the ankle systolic pressure to the arm systolic pressure; an objective measurement of arterial disease that allows quantification of the degree of stenosis
Arteriosclerosis Diffuse process whereby the muscle fibers and the endothelial lining of the walls of small arteries and arterioles thicken
Atherosclerosis Disease process that afffects the intima of the large and medium-sized arteries; consists of the accumulation of lipids, calcium, blood components, carbohydrates, and fibrous tissue on the intimal layer of a a large or medium size artery
Bruit Sound produced by turbulent flow of blood through a dilated segment of an arterial vessel
Collateral Circulation Growth of new vessels to replace occluded ones
Duplex Ultrasound Combines B-mode-gray-scale imaging of tissue, organs, and blood vessel with capabilities of estimating velocity changes by use of a pulsed doppler
Endarterectomy A surgical procedure which excises the inner layer of an artery which has become thickened by atherosclerosis
Homan's Sign Pain in calf after sharp dorsiflexion of the foot
Intermittent Claudication A muscular cramp-like pain in extremities brought on by exercise and relieved by rest
International Normalized Ratio (INR) Method of measuring anticoagulant levels, such as warfarin (Coumadin)
Oscillometry A diagnostic test which measures alterations in pulse volume at different levels of an extremity
Peripheral Vascular Disease (PVD) Any condition that disrupts blood flow to veins or arteries, with the exception of pulmonary and coronary arteries
Plethysmography Impedance is used to measure venous outflow in the lower legs when pneumatic cuffs wrapped around the thighs are inflated and deflated
Rubor Reddish, blue discoloration of skin
Sympathectomy A surgical interruption of part of the sympathetic nerve pathways, performed for the relief of chronic pain in vascular disease
Sympathomimetric A drug that mimics the effects of stimulation of organs and structures by the sympathetic nervous system
Sympatholytic Drugs which reduce or prevent the action of sympathomimetric agents
Vasoconstriction A narrowing of the lumen of any blood vessel
Vasodilation Widening or distension of any blood vessel
Created by: nonelily