You may be uncomfortable for 35 to 45 minutes when you assume the positions the technician requests. Discomfort disappears when the test is finished. Equipment used X-ray table that tilts. Description of test You or a close relative will be required to sign a consent form after the procedure has been explained to you. Lie on tilting X-ray table.
Skin is cleaned with antiseptic.
The anesthetic is administered. The procedure does not begin until you are asleep or numb. Needle is inserted into a vein on back of your foot and connected through intravenous tubing to a bottle of salt solution. 100 to 150ml of dye is slowly injected into the intravenous tubing. You may feel a brief burning sensation in your leg when dye is injected.