Chronic venous insufficiency (CVI) is a condition that develops when your leg veins have trouble sending blood from your legs back up to your heart, causing blood to pool in your legs. CVI can cause pain, swelling, cramps, varicose veins, and even leg ulcers. These symptoms tend to get worse when the person stands or sits for long periods of time or when gravity works against the blood in the legs. To learn more about CVI, here are some of the answers to the most frequently asked questions ... [Read More]