Urodynamic tests for urinary incontinence are measurements taken to evaluate your bladder’s function and efficiency. The actual tests done vary from person to person. Urodynamic studies (UDS) test how well the bladder, sphincters, and urethra hold and release urine. Tests can show how well the bladder works and why there could be leaks or blockages.

Urodynamics help find the cause of problems related to:

  • Urine leaks/controlling your urine
  • Bladder not emptying all the way
  • The need to go too often
  • The need to go suddenly
  • Weak urine flow
  • Urine flow stopping and starting (“intermittent”)
  • Getting urinary tract infections often

Types of Tests

There are many types of urodynamic tests. A health care provider may recommend one or more based on your symptoms, but they are typically performed together as one test.

Common tests, which are explained on the following pages, are all UDSs:

  • Cystometry, or Getting a Cystometrogram
  • Electromyography, or getting an Electromyogram (EMG)
  • Urethral Pressure Profile
  • Uroflowmetry
  • Voiding Pressure Study (Pressure Flow Study)

Frequently Asked Questions

What to expect afterwards?

Passing urine may sting a little for a day after the test, but if you think that you have developed a urine infection please let your doctor know. The results of the test are usually available immediately and will be discussed with you.

What do I need to do to prepare for Urodynamics testing?

Unless otherwise directed by your doctor, you should take your normally scheduled medications. You may eat and drink prior to the study.   *If you take Enablex, Detrol, Ditropan, Sanctura, Vesicare, Oxytrol or their generic equivalent stop taking 2‐3 days before Urodynamics study, or call the office if you have questions or are unsure of medication.

The series of tests typically takes about one hour.  You will be able to resume all previous activities, including driving, upon completion of the Urodynamics studies.