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DVT 423- KN1
USIDMS Venous Insufficiency
Term | Definition |
---|---|
primary venous insuffienciency | congenital absence or malfunction of valves |
what are some symptoms of venous insufficiency? | recurrent calf, ankle or foot swelling varicocitites venous claudication stasis dermatitis ulceration chronic limb swelling |
what vein joins at the CFV to join the deep system? | Great Saphenous Vein |
where are most valves located in the leg? | lower calf |
what is the best position for a CVI exam? | standing |
what two maneuvers are used to rule out CVI? | distal augmentation Valsalva |
Grade 4 Reflux is equivalent to how many seconds post maneuver? | 6 seconds |
uses infrared light to respond to changes in blood content in the subcutaneous circulation | Photoplethysmography PPG |
what are the principles of APG? | documents valve changes secondary to position changes and exercise |
what is the Gold Standard for VI? | contrast Venography |