Multichannel urodynamic studies.

The purpose of urodynamic testing is to measure and record pertinent physiologic variables while the patient is experiencing his usual symptoms. When the symptoms are reproduced, urodynamic findings enable the clinician to understand the underlying pathophysiology and to treat the patient effectively. Although at present it is most cost-effective to screen patients with cystometry and uroflow, multi-channel studies offer the most precise, artifact-free means of establishing the correct diagnosis.