What is the indication for this test?

To see how the left and right kidney work comparatively. This test allow any sites of blockage to be identified and detected.

How long does the test take?

Please allow approximately 1.5hrs

What does the test involve?

A cannula is placed in a vein in your arm.

You will be administered with a small injection of a radioactive tracer is administered through the cannula. This injection allows the Kidneys and Bladder to be seen by the camera. Images are taken for a 30 minutes whilst lying under the camera.

A second injection of Lasix may be given to promote the Kidneys to empty. This is then mathematically calculated.

Is there any preparation?

Yes. You need to drink 1L of water and be finished 1 hour prior to your appointment time. There is no need to hold on to the water you can urinate when needed.

Can I take my medication?


What are the side effects?

There are no reported side effects from this test. If however, Lasix is administered it is advised you keep well hydrated for 4 hours following the procedure. This will ensure you do not feel unwell due to dehydration.

 Precautions following the procedure

As a result of the radioactive injection/s you will be giving off a small amount of radiation. It is advisable you limit your time in close proximity to pregnant women and children for 24 hours following the test.

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