The technician will tell you when you can move and breathe again. You may be given a mild sedative before the test. Lie on horizontal X-ray table. Catheter is placed in the bladder. Catheter is connected to 3-way stopcock with a manometer, which is linked to the transducer.
Skin is cleaned with antiseptic.
The anesthetic is administered over the kidney. The procedure does not begin until you are numb. Needle is inserted into lower part of the kidney. Needle is connected to the manometer line. Dye is injected into the kidney.