Venous insufficiency happens once the veins inside the lessen extremities cannot effectively thrust blood again to the heart. This concern is usually chronic in mother nature and arises in the event the leg veins come to be enlarged (known as venous hypertension) and their valves are unable to shut adequately. https://www.sgvascularctr.com/swollen-leg-why-do-i-have-it-and-what-can-i-do/