An ultrasound uses sound waves to create images of the inside of the body. A venous duplex ultrasound is an ultrasound that looks at the flow of blood through the veins in the arms or legs.

The test may be used for the following reasons:

  • To investigate the cause of the following symptoms in an arm or leg:
    • Pain
    • Swelling
    • Increased warmth
    • Bulging veins
  • To diagnose the following:

Deep Vein Thrombosis
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