Robert MacDermott - Consultant Gynaecologist
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  KIMS Hospital
  Kent, ME14 5FT
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Urodynamics is a test which is performed to investigate bladder problems such as incontinence or the frequent passage of urine. It is not painful and special effort is made to ensure your privacy.

You should come with a comfortably full bladder. it is unusual to have to wait for the test to be performed.

The first part of the test involves emptying your bladder into a special commode which measures the speed of emptying.

The main aim of the test is to measure the pressure inside the bladder when you have your symptoms. To do this I need to insert 2 very small tubes through the natural opening into the bladder, one to fill the bladder up and the other to measure the pressure inside the bladder. Another very small tube is inserted a short way into the back passage to measure the pressure inside the abdomen.

As your bladder is filling with water, I will ask you a few questions about how it feels, and the filling will be stopped when the bladder is full. You will then be asked to cough whilst lying down and standing. There is no need to be embarrassed if you leak urine.

Finally, I will leave the room whilst you empty your bladder on the commode

The whole test takes about 30 minutes and I will discuss the result with you afterwards.

In order to help interpret the results more accurately, it would be very helpful if you could fill in the following bladder diary.

 Bladder Diary

It is important to know how often you pass urine and also the volume of urine passed on each occasion. Please fill in this bladder diary for 2 consecutive days (48 hours).

Each time you pass urine, measure the volume passed in a measuring jug (in ml) and record the amount and the time on the chart on the left.

If you have any urinary leakage, this should be recorded along with the approximate amount and any activity (eg. coughing) that may have caused the leakage. If the leakage is associated with a strong urge to pass urine then you should note this.

Time Volume (ml)                 Time Leakage amount Activity or Urge

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