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DVT423-TB1

USI DMS Lower Extremity Venous Doppler for Insufficiency

QuestionAnswer
What is another name for venous insufficiency? Venous incompetence
What are the symptoms of venous insufficiency? Recurrent calf, ankle, or foot swelling; varicosities; venous claudication; stasis dermatitis; ulceration; and chronic limb swelling
What is the gold standard for diagnosing DVT? Contrast Venography
What noninvasive test uses infrared light to respond to the changes in the blood content in the subcutaneous circulation? Photoplethysmography (PPG)
What is the approximate percentage of venous blood volume in the leg that the GSV carries? 15%
Which veins in the leg have the most valves? PTV, Peroneal veins, and ATV
Where is the typical confluence of the SSV? Popliteal vein
What vein do sonographers look for when using Doppler on the GSV to know they are in the correct proximal location? Inferior epigastric vein
What means the same as valsalva? Proximal limb compression
When observing reflux, how many seconds is considered abnormal for deep veins? Greater than or equal to 1 second
Created by: Tburris5