USIDMS Lower Extremity Venous Doppler for Insufficiency
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| Related to venous valve distribution, the more distal in the leg, the (more/less?) valves there are. | The more distal in the legs, the more valves there are
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| Competent ______ vein valves are the most critical components of the veno-motor pump. | Popliteal
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| The greater saphenous vein diameter consistent with reflux is ___ at the sapheno-femoral junction, ___ at mid thigh, and ___ mid calf. | SFJ: >9mm Mid thigh: >7mm Mid calf: >5mm
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| Which type of non-invasive venous testing measures volume changes and quantitates venous reflux? | Air Plethysmography (APG) or “Outflow Plethysmography”
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| True or false? Congestive heart failure will cause unilateral leg swelling. | False – CHF causes bilateral leg swelling
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| True or false? Deep vein thrombosis and venous insufficiency are more likely to occur in the left leg due to anatomy. | True
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| Which type of ulcers are characterized by severe pain, little bleeding, and a deep, circular appearance? | Arterial ulcers
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| A patient undergoes a PPG test, which turns out abnormal. You apply a tourniquet to the patient’s thigh and repeat the test. The test turns out normal. This indicates imcompetence of what? | Greater saphenous incompetence
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| The greater saphenous vein carries approximately __% of venous blood volume in the legs. | 15%
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| The typical confluence of the small saphenous vein is at the ______ vein. | Popliteal
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