CHRONIC VENOUS INSUFFICIENCY - inosteo.org

"CHRONIC VENOUS INSUFFICIENCY. (CVI). CVI. Occurs when the vein valves 
become dysfunctional and impairs venous blood return. Affects up to 20% of ..."

http://www.inosteo.org/UserFiles/File/PowerPoint/31st%20Annual%20Winter%20Update/Friday/Chronic-Venous-Insufficiency.Dana.ppt