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DVT398-BL4

USIDMS Lower Extremity Venous Insufficiency

QuestionAnswer
What is the valved termed at the saphenofemoral junction? terminal valve
Which way to do the leaflets point? to the direction of normal venous drainage
What do incompetent valves permit? abnormal retrograde flow or reflux
What are visual signs of CVI? spider veins, reticular veins, varicose veins, edema, ulceration
What has become the standard to evaluate CVI? duplex doppler ultrasonography
What are treatment options for CVI? ligation, thermal ablation, chemical ablation
What allows for optimal dilatation and venous filling? standing
What is recommending minimum time between testing sites? 30 seconds
What are pitfalls of assessing venous reflux? gain alters sensitivity or spectral doppler, high persistence, velocity scales
What is normal venous flow waveforms? spontaneous, phasic with respiration
Created by: bnlane