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DVT423-AP4

USIDMS Venous Insufficiency

QuestionAnswer
What is primary venous insufficiency characterized by? Insufficiency caused by a congenital abscence of venous valves, or weakness in valve structure
When doing an insufficiency exam, what position should the patient be in? Semi-Fowler's or reverse Trendelenburg
A 4-6 seconds post maneuver reflux time is considered what grade of reflux? Grade 3
The greater saphenous vein at the sapheno-femoral junction will be consistent with reflux if it is greater than what measurement in diameter? Greater than 9.0 mm
90% of incompetent perforator veins will be greater than what diameter? Greater than 3.5 mm
What venous test uses infrared light to respond to changes in blood content in the subcutaneous circulation? Photoplethysmography
What is Homan's sign? Presence of calf pain with dorsiflexion of the foot
Is an ulcer that is deep with severe pain, little bleeding, and is located on the toe most likely a venous or arterial ulcer? Arterial ulcer
What type of venography is used to evaluate acute and chronic DVT by injecting contrast into the dorsum of the foot? Ascending contrast venography
Which perforator veins are of biggest concern when doing a venous insufficiency exam? Cockett's perforators
Created by: ampund