When x-ray system is used, a special fluid referred to as comparison medium is used this is filled within the bladder, that is recorded on x-rays. An ultrasound system is used while warm water is filled within the bladder, and it delineates the bladder potential with the assist of unhazardous sound waves. Ambulatory Urodynamic Devices/ Urodynamic Catheters Typically, in maximum of the urodynamic tests, the bladder is artificially in a timely fashion in order to recover the stress and diagnose the cause of bladder dysfunction over a enormously shorter time frame. On the opposite, ambulatory urodynamic exams require to fill the bladder through herbal kidney characteristic, which influences the varieties of urodynamic gadgets used in ambulatory urodynamic assessments.