The test is done in an X-ray lab equipped with fluoroscopy equipment. Catheter is passed into this large vein and advanced to the kidneys. Blood samples collected through catheter from kidney vessels and vena cava. Catheter is removed. Adhesive bandage is applied to puncture site.
Blood sample is sent to lab for analysis.
After the test Immediate post-test care Apply pressure to the puncture site. Raise your arm over your head while applying pressure. Apply moist, warm compresses every 2 to 4 hours. Activity after test Resume taking medications. Return to pretest activities right away.