Intravenous urography

An X-ray procedure, commonly abbreviated to IVU, used to give a clear image of the urinary tract. The procedure involves intravenous infusion of a contrast medium into the arm. The medium is carried in the blood to the urinary system, where it passes through the kidneys, ureters, and bladder to be excreted in the urine. X-rays taken at intervals show outlines of the urinary system. IVU detects abnormalities such as tumours and obstructions, and signs of kidney disease.


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