What is urodynamics? Urodynamics is the medical science that studies the physiological and pathological processes involved in the transport of urine from the kidney to the bladder and its storage and emptying in the bladder. Starting with the invention of simple devices to determine bladder pressure and urinary flow rate in the 19th century, urodynamics has undergone rapid development and has become increasingly versatile, extending to include such things as neuro-urodynamics and imaging urodynamics. What diseases require urodynamic testing and what are its effects? It is an essential tool for the diagnosis of lower urinary tract dysfunction, reproducing the patient’s symptoms and providing a pathophysiological explanation of the patient’s problem, which in turn provides the basis for targeted treatment. It is primarily a functional diagnostic method, as opposed to common morphological tests such as ultrasound, radiography, MRI and various laboratory tests for chemical diagnosis. What is included in the urodynamic test? It includes simple non-invasive voiding diary, urine flow rate and residual urine measurement, to invasive filling cystometry, leak point pressure measurement, pressure flow rate measurement, urethral pressure tracing, etc. Various urodynamic parameters such as volume, pressure, compliance, flow rate, and vesicourethral coordination can be obtained through a very thin catheter inserted from the urethra into the bladder to make an accurate diagnosis of lower urinary tract dysfunction. A good urodynamic examination is a prerequisite for accurate analysis, and a good urodynamic examination cannot be done without an in-depth understanding of the theory of urinary control and strict quality control of the entire examination process. Our imaging urodynamic examination center strictly follows the urodynamic technical specifications of the International Association of Urological Control to examine patients and have experts interpret the results in order to find the specific causes of lower urinary tract symptoms in each patient, so as to provide targeted treatment for patients, protect the kidneys, relieve the lower urinary tract symptoms and improve the quality of life of patients.