Continual venous insufficiency (CVI): A problem that occurs when the venous wall and/or valves inside your leg veins will not be Doing the job correctly, rendering it complicated for blood to return towards your heart from your legs. This is what transpires with varicose veins. They might bulge like purple https://www.sgvascularctr.com/exploring-vascular-malformations-informative-guide-for-singaporeans/