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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
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