Urodynamics Studies (UDS)
Urodynamics studies measures how well the bladder, sphincters, and urethra store and release urine. This information helps your diagnosis and treatment options.
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When do you need to do the test?
- Your treating doctor may ask you to do the test if you have any of the following problems:
- Loss of bladder control (urinary incontinence)
- Frequent urination
- Painful urination
- Sudden urge to urinate.
- Difficulty with urination
Before the test (Preparation)
- You may drink as usual on the day of the test.
- You may need to take antibiotics in advance.
- Follow the Enema instructions given to you by the clinic.
- Reschedule the test if you are menstruating.
Before the test (Preparation)
- You may drink as usual on the day of the test.
- You may need to take antibiotics in advance.
- Follow the Enema instructions given to you by the clinic.
- Reschedule the test if you are menstruating.
What should you expect?
- Two small tubes (catheters) are inserted into the body: one into the bladder and the other one into the rectum.
- The first tube will be used to fill the bladder with saline and measure the pressure in the bladder. The other tube will measure the pressure in the abdomen.
- During bladder filling, sensations and feelings will be noted.
- The doctor will ask you to empty your bladder during the test.
- The catheters will be removed after the test.
After the test
- Drink plenty of fluids in the 24 hours following your test.
- You may experience mild discomfort during urination that should go away within 24 hours.
- You can resume normal activities immediately after urodynamic testing.
Test Duration
The procedure takes about 30-60 minutes.