This test uses ultrasound to look at the blood flow in the large arteries and veins in the arms and legs.
The test is done in the ultrasound or radiology department or in a peripheral vascular lab.
During the exam:
You will need to remove clothes from the arm or leg being examined.
Sometimes the person performing the test will need to press on the vein to make sure it does not have a clot. Some people may feel slight pain.
The test may also be used to:
A normal result means the blood vessels show no signs of narrowing, clots, or closure, and the arteries have normal blood flow.
Abnormal results may be due to:
This test may also be done to help assess the following conditions:
There are no risks from this procedure.
Cigarette smoking may alter the results of this test. Nicotine can cause the arteries in the extremities to constrict.
Quitting smoking lowers the risk of problems with the heart and circulatory system. Most smoking-related deaths are caused by cardiovascular problems, not lung cancer.
Fowler GC, Reddy B. Noninvasive Venous and Arterial Studies of the Lower Extremities. In: Pfenninger JL, Fowler GC, eds. Pfenninger & Fowler's Procedures for Primary Care. 3rd ed. Philadelphia, PA: Elsevier Mosby; 2011:chap 88.
Updated by: Jason Levy, MD, Northside Radiology Associates, Atlanta, GA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.
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