Flexible guide wire. Maintain the position the technician requests. Hold absolutely still while the machine is exposing the X-ray film. The technician will tell you when you can move and breathe again. An artery in the arm or leg is selected for passing a hollow tube into an artery.
Skin is cleaned with antiseptic.
Skin over the site is injected with a local anesthetic. The procedure does not begin until you are numb. The artery is punctured. The catheter is inserted to the aorta then passes to the renal artery. Dye is inserted through the catheter.