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A venous duplex is a painless, noninvasive test that shows how blood is moving through the veins of your arms and legs. A venous duplex combines two types of ultrasounds to produce images that show how blood is moving. Your physician is able to see the speed and direction of your blood flow and where your blood flow may be blocked. This test is commonly used to search for blood clots and to examine varicose veins.
The ultrasounds used during this procedure are:
A venous duplex is used to:
The Ohio State University Wexner Medical Center's vascular lab offers more advanced testing than most other hospitals in Ohio. We are accredited by ICAVL (Intersocietal Commission for the Accreditation of Vascular Laboratories) and are actively involved in clinical research for vascular disease.
With nine experienced vascular sonographers on staff, we offer extensive testing, including:
Generally, there are no special instructions that you need to follow before a venous duplex.
A venous duplex is performed in the ultrasound or radiology department. You will be asked to lie still on a table with your head slightly elevated. The technician will apply a gel to the area of your body being examined. A transducer (ultrasound probe) is moved gently over the area being tested. This test takes approximately 30 minutes to complete.
There are no special instructions to follow after a venous duplex. You can immediately resume all of your normal activities.