A venous duplex ultrasound is an ultrasound, or a test that uses sound waves to create images of the inside of the body, that looks at the flow of blood through the veins in the arms or legs.
Used to determine the cause of symptoms such as:
• Increased warmth
• Bulging veins
Usually to help diagnose:
• A blood clot, like deep vein thrombosis
• Poor vein function