Lower leg venography is an x-ray test to study veins in the legs. A substance called contrast is used with the test. It will make the veins easier to see.
Lower leg venography is used to:
Deep Vein Thrombosis
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Problems are rare, but all procedures have some risk. The doctor will go over problems that could happen such as:
The doctor may meet with you to talk about:
The doctor will use local anesthesia to numb the area. Other medicine may help you relax.
An IV needle will be inserted into a vein in the foot. The contrast will be slowly injected through the needle. A tight band may be tied around the ankle. This helps to fill the veins with contrast. You will be asked to remain still. The doctor will use an x-ray machine to view the contrast moving through the veins. The needle will then be removed. The injection site will be bandaged.
You may be told to drink extra fluid. This will flush the contrast from your body.
Usually about 30 minutes, but sometimes longer
There may be some pain at the injection site during the test. There may be some soreness for a few days after. Some feel flushed or nauseous as contrast fills the veins.
A normal venography means blood flow through the vein is normal. An abnormal venography means something is blocking blood flow through the vein. Based on the results, your doctor may talk about more tests or treatment.
Call your doctor if you have:
If you think you have an emergency, call for medical help right away.
National Heart, Lung, and Blood Institute
Society of Interventional Radiology
Canadian Society for Vascular Surgery
Heart and Stroke Foundation of Canada
Do C. Intravenous contrast: friend or foe? A review on contrast-induced nephropathy. Adv Chronic Kidney Dis. 2017;24(3):147-149.
Evaluation of deep vein thrombosis (DVT). EBSCO DynaMed website. Available at: https://www.dynamed.com/evaluation/evaluation-of-deep-vein-thrombosis-dvt. Accessed September 8, 2021.
Venogram. Johns Hopkins Medicine website. Available at: https://www.hopkinsmedicine.org/health/treatment-tests-and-therapies/venogram. Accessed September 8, 2021.
Venogram - leg. Icahn School of Medicine—Mount Sinai website. Available at: https://www.mountsinai.org/health-library/tests/venogram-leg. Accessed September 8, 2021.
Venography. Radiology Info—Radiologic Society of North America website. Available at: https://www.radiologyinfo.org/en/info/venography. Accessed September 8, 2021.
Last reviewed July 2021 by
EBSCO Medical Review Board
Nicole Meregian, PA
Last Updated: 9/8/2021