Venous and arterial doppler scans are ultrasound exams done on the arms or legs
where veins and arteries are located. These scans are used to detect clots or problems
with the valves in the veins. They are also used to determine the severity and location of
any blockages in the arms or legs that can affect blood flow.
A doppler ultrasound uses high-frequency sound waves to measure the blood flow
through the arteries and veins that run in your arms and legs. The doppler ultrasound is
a pain free exam that requires little preparation on the part of the patient.
Your doctor may recommend a doppler scan if the patient exhibits signs of decreased
blood flow in the arms or legs. Reduced blood flow can be caused by a blockage in an
artery, a blood clot in a blood vessel, an injury to a blood vessel, or DVT (deep vein