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Venography

What is a venogram?
A venogram is an x-ray test that involves injecting x-ray contrast material (dye) into a vein to shows how blood flows through your veins. This allows a physician to Determine the condition of your veins.

Why should I do it?
A venogram is commonly used to:

  • Find blood clots in the veins
  • Assess varicose veins before surgery
  • Find a vein in good condition to use for a bypass procedure
  • Help a physician place an IV or a medical device, such as a stent, in a vein
  • Guide treatment of diseased veins.

Any preparations needed?

  • Other than medications, you may be instructed to not eat or drink anything for several hours before your procedure.
  • You may be allowed to drink clear liquids on the day of your procedure.
  • You should inform your physician of any medications you are taking and if you have any allergies, especially to barium or iodinated contrast materials.
  • Inform your doctor about recent illnesses or other medical conditions.
  • Women should always inform their physician and x-ray technologist if there is any possibility that they are pregnant.