A UDS is done by placing a catheter in your child's bladder and another catheter in your child's rectum. A catheter is a small, thin tube that is used to drain fluid, such as urine. To place the catheter, your child will lie on the X-ray table and their legs will be placed in a “frog leg” position.

How painful is a urodynamics test?

Are Urodynamic tests uncomfortable? The testing should not be painful. An anesthetic gel solution may be used, and the catheters are generally very small. As your bladder is filled with sterile fluid, you may feel as though you have the urge to urinate.

What is UDS procedure?

Urodynamic studies (UDS) test how well the bladder, sphincters, and urethra hold and release urine. These tests can show how well the bladder works and why there could be leaks or blockages. There are many types of urodynamic tests.