USIDMS LE Venous Insufficiency
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| What are varicosities, ulceration, and recurrent calf swelling just a few symptoms of? | Venous insufficiency
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| What is an abnormal duration of reflux signs to occur? | 1 second or greater
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| Normal flow should ________ when the valsalva maneuver or proximal compression occurs. | stop
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| What surrounds both the GSV and the SSV? | fascial envelopes
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| What is the gold standard for testing if perforators are incompetent? | Using Doppler to demonstrate reflux
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| List the three vein ablation procedures? | Radiofrequency (VNUS), Laser (EVLT), Sclerosing foam injection
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| What non-invasive venous testing uses infrared light to monitor blood cell content using the amount of light that is reflected back off of the cells? | Photoplethysmography (PPG)
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| What is a normal recovery time in a PPG reflux test? | over 20 seconds
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| How is patient's leg elevated during an Air Plethysmography (APG) exam? | passively (someone lifts it for the patient)
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| What is the "gold standard" to evaluate DVT? What are three limitations of this exam? | Contrast venography. Expensive, uncomfortable, negative reactions to contrast
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