Long-term venous insufficiency (CVI): A affliction that transpires if the venous wall and/or valves inside your leg veins will not be Functioning properly, rendering it tough for blood to return towards your coronary heart from the legs. This is often what occurs with varicose veins. They might bulge like purple https://www.sgvascularctr.com/exploring-vascular-malformations-informative-guide-for-singaporeans/