Health Encyclopedia
Search Clinical Content Search Patient Health Library
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A-Z Listings

Understanding Venogram

A venogram is a type of imaging procedure. It uses X-rays and a special dye to look at veins in your body. The dye is called a contrast material. An X-ray is a picture of the inside of your body. Low levels of radiation create the image.

Why a venogram is done

A venogram is often done to find blood clots in the veins. It can help diagnose deep vein thrombosis. This is a blood clot in a deep vein, often in your legs. It's also done to find other problems related to the veins. These include varicose veins, a vein defect, or the narrowing of a vein.

How a venogram is done

This procedure is often done on an outpatient basis. That means you can go home afterward. During the procedure:

  • You will lie down on an exam table. The table may tilt to help the dye move through your body.

  • You may be given medicine, so you don’t feel any pain.

  • A healthcare provider will put a catheter, or needle, into 1 of your veins. The location depends on which body part is being X-rayed.

  • They will inject the dye into your vein.

  • X-rays are taken as the dye moves through your body.

  • You may be asked to hold your breath during the procedure.

Risks of a venogram

  • Pain

  • Blood clots

  • Allergy to the dye

  • Kidney problems

Online Medical Reviewer: Anne Fetterman RN BSN
Online Medical Reviewer: Deepak Sudheendra MD
Online Medical Reviewer: Raymond Kent Turley BSN MSN RN
Date Last Reviewed: 9/1/2022
© 2000-2025 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.
Powered by Krames by WebMD Ignite

These resources and their content are provided by a third party for informational purposes and do not necessarily reflect the values and positions of Ascension, its ministries, or its subsidiaries.

About StayWell | Terms of Use | Privacy Policy | Disclaimer

The Services may integrate with Third-Party Apps or contain third-party content or provide links to third-party websites. For example, the Services may integrate with Third-Party App providers to provide you with information. You authorize Ascension to transmit information about You to and receive information about You from applicable third parties.
You agree that Ascension is not responsible for Third-Party Apps, third-party content or third-party websites, and does not make any endorsements, representations or warranties regarding the same. Your use thereof is at Your own risk and subject to the third party’s terms and conditions, as applicable. By using a Third-Party App or third-party content or websites, You agree to the applicable third party’s terms and conditions, even if Ascension does not present them to You at the time of Your use.