CHRONIC VENOUS INSUFFICIENCY AND DEEP VEIN THROMBOSIS
The causes for chronic venous insufficiency are attributed to three types of abnormalities. First one being the varicosity of veins second is the incompetence of the valves which are responsible for a unidirectional flow in the veins and third is the deep vein abnormalities. Formerly it was also known as post phlebitic syndrome post thrombotic syndrome depending on its remote cause (Weiss, n. a). However in some patients the cause could be attributed to congenital absence of the valves. Varicose veins are dilatation, tortuosity and elongation of the veins. It can occur as a result of occupational hazard, prolonged standing may ...
