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Venography is an x-ray test used to study the veins of the body. Lower leg venography is used to study the veins in the legs.
- Diagnose deep vein thrombosis —a blood clot deep within the leg that may lead to an obstruction of a blood vessel in the lungs ( pulmonary embolism )
- Find obstructions in the veins
- Assess vein problems you have had since birth
- Assess the functioning of deep leg vein valves
- Find a vein that will be used to make a bypass graft
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Some possible complications with this test include:
- Tissue damage
- Phlebitis—inflammation of a vein
- Allergic reactions to the contrast material
- Kidney damage
- Forming blood clots
People with kidney problems or diabetes , especially those taking metformin (Glucophage), may have a higher risk for complications from venography.
Call Your Doctor
After the test, call your doctor if any of the following occurs:
- Fever or chills
- Swelling, redness, or pain at the injection site
- Itching, rash, or other signs of an allergic reaction