Color Doppler venous ultrasound imaging is a test that uses ultrasound image and the so-called Doppler Effect to detect the anatomical appearance of the venous system of the legs and the speed and direction of blood flow through the veins.

Like other ultrasound imaging,venous Doppler is also a painless and harmless test.

Its purpose is to show the leg venous systems and observe whether there is damage to any of them.