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Bladder Function (Urodynamic) Tests
Urodynamic tests check the function of your bladder, they show how well your bladder stores and releases urine.
About urodynamic testing
Urodynamic tests are designed to show how well your bladder is storing and releasing urine. They are carried out if you're experiencing bladder problems and there isn't an obvious cause. They may also help to explain night time urgency, urinary incontinence, painful urination and recurring urinary tract infections.
Need to know
Your consultant or nurse will fill your bladder with fluid using a small, soft catheter (tube), which will be put into your bladder. Another catheter will be inserted into your rectum. After connecting the catheters to a computer, your consultant or nurse will measure how well your bladder responds. They'll also measure how well your bladder works when you pass urine.
The test will take about 30 minutes and you can usually go home straight after it. You may also have an X-ray screening to look at the way your bladder expands and contracts.
You'll be asked to stop taking any bladder medication in preparation for your test. Your consultant will tell you when you should do this. You can eat and drink as usual before having a urodynamic test. And you'll normally be asked to come to your appointment with a comfortably full bladder.
You should drink plenty of fluids for the first 24 to 48 hours after your test to help reduce the risk of urine infection. You may be given antibiotics in preparation for this. A follow-up appointment will be made with your urologist to discuss the results of your test.
Our Bladder Function locations
London Bridge Hospital
27 Tooley Street SE1 2PR London
The Lister Hospital
Chelsea Bridge Road SW1W 8RH London
The Portland Hospital
205-209 Great Portland Street W1W 5AH London
The Princess Grace Hospital
42-52 Nottingham Place W1U 5NY London
The Shard Outpatients
The Shard 32 St Thomas Street SE1 9BS London
The Wellington Hospital
8A Wellington Place St John's Wood NW8 9LE London