Venous insufficiency takes place when the veins during the lower extremities are not able to successfully thrust blood again to the heart. This concern is usually chronic in mother nature and arises once the leg veins turn out to be enlarged (named venous hypertension) and their valves cannot near appropriately. https://www.sgvascularctr.com/swollen-leg-why-do-i-have-it-and-what-can-i-do/