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A venous duplex ultrasound is a test that uses
high-frequency sound waves (ultrasound) to evaluate
the flow of blood through the veins in the arms or legs.
This test may be used to investigate the cause of
symptoms of pain, swelling, and bulging veins in the leg.
It is used to evaluate for the presence of a blood clot
in the deep or superficial veins as well as to evaluate
the function of valves in the veins. The presence of a blood
clot in the deep veins is known as deep vein thrombosis.
Malfunction of valves in the leg veins (also known as
venous insufficiency or venous reflux) results in varicose veins.
What to Expect
No special preparation is needed for this test. Anesthesia is not required.
You will be asked to lie on a table. Gel will be placed on the skin of your
arm or leg, over the veins being tested. You may have to stand during part
of the test to evaluate some of the veins.
Description of the Procedure
A hand-held ultrasound probe (transducer) will be placed over the veins
in your arms or legs. Sound waves are transmitted from the probe into
your body, and images are produced and recorded.
In general, this test is not painful. However, the technologist may apply
varying degrees of pressure to the probe against your skin in order
to better visualize the vein and see if it collapses under pressure.
After the procedure you can get dressed and go home. Follow your doctor's
recommendations.
How Long Will It Take?
The length of the test varies, depending on your particular situation.
However, in most cases, it will take between 30 and 45 minutes.
Possible Complications
This test poses no known risks.
Test Results
Our vein specialists will evaluate the images and review with you
the results of your test. Based of the ultrasound results, you will
be provided with recommendations for the best treatment options.