Intravenous Pyelogram (IVP)

IVP (Intravenous Pyelography)

How It Is Done

An intravenous pyelogram (IVP) is usually done by a radiology technologist. The IVP pictures are interpreted by a doctor who specializes in interpreting imaging tests (radiologist).

You will need to remove any jewellery that might interfere with the X-ray picture. You will need to take off all or most of your clothes, and you will be given a cloth or paper covering to use during the test. You will be asked to urinate just before the test begins.

You will lie on your back on an X-ray table. An X-ray picture of your abdomen will be taken and reviewed by the radiologist before the next part of the test begins.

The injection site on your arm will be cleaned and the contrast material will be injected into a vein on the inside of your elbow. The dye travels through the bloodstream, is filtered out by the kidneys, and passes into the urine. The urine then flows into the tubes (ureters) that lead to the bladder.

X-ray pictures are taken several minutes apart as the dye goes through the urinary tract. Each picture is developed right away. Sometimes additional pictures are taken based on earlier ones. You may be asked to turn from side to side or to hold several different positions so the radiologist can take a complete series of X-rays.

During IVP, a compression device may wrapped around your belly to keep the dye in the kidneys. The most common compression device is a wide belt containing two inflated balloons that push in on either side of your belly to block the passage of dye through the ureters. If you have recently had abdominal surgery or have an abdominal disorder, the band will not be used.

A special type of X-ray technique called fluoroscopy may also be used during IVP. During fluoroscopy, a continuous X-ray beam is used to display a moving image on a video monitor.

IVP usually takes about an hour. After the test is over, you will need to drink plenty of liquids to help flush the contrast material out of your body.

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Author:	Sydney Youngerman-Cole, RN, BSN, RNC	Last Updated: September 13, 2006
Medical Review:	Martin Gabica, MD - Family Medicine Tom Bailey, MD - Family Medicine Avery L. Seifert, MD - Urology
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