Venography is an invasive diagnostic test used to provide images of the veins in the legs. The primary purpose is to detect deep vein thrombosis (DVT), or to structurally identify veins.
- Do not eat or drink anything after midnight the night before the test.
- You may take your morning medications with a sip of water, unless your doctor gives you different instructions.
A contrast dye will be injected into a vein, often in the patient’s foot. X-ray pictures are taken of the veins to determine if there are any DVT’s or abnormalities.
The procedure takes approximately 30 minutes.