Great saphenous vein valve function test

The saphenous vein valve function test is an auxiliary examination method used to check whether the veins are normal. The principle is that the normal function of the venous valve can prevent blood from flowing backward. For example, the venous valve is incomplete and stands after emptying the vein. Due to the effect of gravity, the blood will flow back and the vein will quickly fill. Used to check the great saphenous vein valve function, the great saphenous vein valve loss in patients with simple lower extremity varices. Information on the function of the tributary valve can also be provided. Through this examination, the corresponding symptoms can be judged.