Preparation for the flow rate investigation:In order to obtain a reliable flow test you need to pass more than 150mls of urine. Begin drinking water early on the day of your investigation. You need to have a full bladder for the test.
To achieve this it is suggested that you:
If you do not have a full bladder at the time you come for the test, you can drink water in the waiting room to fill your bladder.Procedure:
When you have a full bladder, you will be required to pass urine into a machine which measures the rate and volume of your flow and produces a printout.If the flow test is inadequate, a second flow test may be necessary.
You will then be asked to lie down on a bed for a quick ultrasound scan of your bladder to determine the amount of urine left behind in your bladder after you have passed urine.This is a painless scan.
Following your flow rate investigation:In the couple of hours following the test you can expect to pass a lot of urine. I will discuss the results with you at the next appointment or later the same day.