Singapore Intravenous Urography (IVU) Services

what is Intravenous Urography (IVU)

Intravenous Urography (IVU) is a special X-ray examination of the urinary system after an intravenous injection of a special fluid (contrast medium). The purpose of the injection is to outline the urinary system, which will not be shown clearly on plain X-ray.

when do i need a bone mineral densitomery (bmd) scan

If you have/are:

  • Damage to the urinary tract after an abdominal injury
  • Suspected obstruction of the upper urinary tract
  • Infection of the bladder and kidney
  • Blood in the urine
  • Pain at the sides of your abdomen

are there any risks involved

  • IVU is a safe procedure.
  • Some patients may experience mild allergy, in the form of redness, rashes and/or nausea to the contrast of medium used. These symptoms usually disappear very quickly.
  • It is very rare for patients to develop a severe allergic reaction.
  • The radiographer will be constantly present to ensure your welfare. You should inform him/her if you are unwell at anytime during or after the procedure.
  • The contrast agent will pass out in your urine within 24 hours with little or no side effects.
  • For female patients, please inform the radiographer if you are pregnant or suspect that you might be pregnant before starting.

how is the procedure performed?

  • You will be asked to change into a gown.
  • Tight compression will be applied to your lower abdomen. Inform the radiographer if it is too painful.
  • Constrast medium will be administered. You may experience a warm or cold sensation which will go away very quickly.
  • A film will be taken immediately and 10 minutes there after.
  • The compression will be released 20 to 30 minutes after the injection and a third film is taken.
  • You will then be required to empty your bladder to remove the contrast medium and a final film will be taken.
  • If your urinary system is functioning normally, the full procedure takes about one hour to complete.
  • After the examination, you can resume your normal eating routine. You may want to drink more fluids over the next day to help flush the dye from you system.

are there any risks involved

  • A radiologist, who is a physician experienced in diagnosing radiographs and other imaging examinations, will analyze the images and provide a report.
  • The signed report will be sent to your primary care physician before your next appointment.