It is a diagnostic test which uses ultrasound waves to produce images of the arteries in your arms or legs.

A USG Peripheral Doppler produces images of the arteries or veins in your arms or legs. It helps to detect blockages of blood flow, aneurysms (dilations of a weakened arterial wall), and dissections (a split between the layers of the artery wall), poorly functioning valves in your leg veins etc.