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DVT398-EH2

USIDMS LE Venous

The calf-veno motor pump depends on? 1) Calf muscle contraction, 2) Competency of venous valves, 3) Patency of outflow veins
Deficiency in the lower extremity venous valves may be due to? 1) Primary venous insufficiency, 2) Secondary venous insufficiency
What is primary venous insufficiency? A congenital absence or defects on the venous valves
What is secondary venous insufficiency? Dysfunctional/ damaged valves as a result of thrombophlebitis (DVT)
What is venous claudication? A burning or pain in the legs during exercise due to venous congestion from chronic outflow destruction.
What is the gaitor zone? The area above/ near the medial malleolus. This is the area where venous stasis ulcers form due to reverse flow and increased pressure in the superficial venous system.
What are the primary factors contributing to development of deep vein thrombosis? 1) Venous stasis, 2) Vessel wall injury, 3) Hypercoagulability. Also know as Virchow's Triad
What is acute DVT? A thrombosis within the deep venous system originating at the cusps of the venous valves or the soleal sinuses.
What is chronic DVT? An obstructive fibrous cord that is not at risk for embolization.
What does venae comitantes mean? Deep veins are accompanied by an artery.
Created by: emhart2