Veins have a single-way valves that assure blood flows in the right way—towards the heart. This helps prevent backflow and aids from the economical return of blood to the heart. Modern-day minimally invasive endovenous tactics have pretty minimal recurrence premiums because of the use of duplex ultrasound to identify diseased https://sgvasculargrp.com/medical-condition/varicose-spider-veins/