Venous insufficiency takes place if the veins within the lower extremities are not able to successfully thrust blood back to the center. This issue is usually chronic in mother nature and arises once the leg veins grow to be enlarged (referred to as venous hypertension) as well as their valves https://www.sgvascularctr.com/swollen-leg-why-do-i-have-it-and-what-can-i-do/