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 - Northwestern Memorial Hospital - Chicago

Diagnostic Tests

When you come to the Integrated Pelvic Health Program, you can expect the most current diagnostic and testing procedures. We use results of examination and testing to determine the most effective treatment options for each patient.

We have designed our diagnostic and testing rooms to make our patients as comfortable as possible. All procedure rooms have private, adjoining bathrooms and changing areas. Following are descriptions of some of the diagnostic procedures used at the center.

Complex uroflowmetry

This procedure is performed to measure the amount of urine in the bladder and the rate at which the urine flows.


Also known as cystoscopy, this test is used to examine the inside of the bladder and urethra. It is often used to diagnose and evaluate urinary tract disorders, including:

  • Urinary tract inflammation
  • Kidney or bladder stones
  • Bladder tumors


Also called a cystometrogram, this procedure is administered to measure pressure in the bladder. The test requires patients to perform certain maneuvers while their bladder is being filled gently with sterile water through a catheter, which helps diagnose conditions such as:

  • Overactive bladder
  • Decreased bladder compliance
  • The sensation of urinary urgency that causes urinary frequency
  • Decreased sensation of bladder filling

Pressure-flow voiding studies

These studies are performed to determine the ability of the bladder and urethra to properly expel urine.

Urethral pressure profilometry

This procedure reveals the pressure in the urethra. The results can help doctors guide surgical treatment.

Video urodynamic testing

This testing allows doctors to visualize the size and shape of a patient's urinary tract. It is commonly used when patients have experienced urine leakage or blocked flow of urine.

Transrectal and transanal 3D ultrasound

These ultrasounds show images of the low rectum, anal sphincters and pelvic floor in patients with a variety of anorectal disorders.

Anorectal manometry

Used to study the function of the anus and rectum, this test evaluates of the strength of the muscles that control bowel movements.

EMG testing

This testing is employed to determine if the nerves supporting the sphincter muscles are intact and that the muscles relax and contract as they should.

Pudendal nerve latency testing

This testing is used to determine malfunctions of the nerve that innervates the sphincter muscle related to stool continence.


For more information or to make a confidential appointment with one of our physicians, please call the Integrated Pelvic Health Program at 312-926-4747.

Last UpdateDecember 6, 2011