Urodynamic tests are done to determine how well your lower urinary tract is working. The lower urinary tract includes your bladder and the tube that empties your bladder (urethra).
When your kidneys filter your blood, urine is stored in your bladder until you feel the urge to pass urine (urinate). Urination requires coordination between the nerves and muscles of your bladder and urethra. When your lower urinary tract is working well, you should be able to:
Start urinating when your bladder is full.
Empty your bladder completely.
Control the flow of your urine.
Why do I need urodynamic testing?
You may need urodynamic testing to help find the cause if you have any of these problems:
Leaking urine (incontinence).
Problems …show more content…
Having strong urges to pass urine (urgency).
Having a weak flow of urine.
How do I prepare for the tests?
Ask your health care provider about changing or stopping your regular medicines. This is especially important if you are taking diabetes medicines or blood thinners.
You may be asked to arrive for the test with a full bladder.
Tell a health care provider about:
Any allergies you have.
All medicines you are taking, including vitamins, herbs, eye drops, creams, and over-the-counter medicines.
Whether you are pregnant or may be pregnant.
What are the risks of this testing?
Generally, these tests are safe. However, problems may occur, including:
Discomfort.
Frequent urge to urinate.
Bleeding.
Infection.
Allergic reactions to dyes (contrast material).
How is urodynamic testing done?
You may have various urodynamic tests. The tests may be done separately or all during one testing visit. These tests may be done at your health care provider’s office, a clinic, or a hospital. You may be given an antibiotic medicine before or after testing to prevent infection.
The urodynamic tests you may have done include:
Uroflowmetry
This test measures how much urine you pass and how long it takes to