The diagnostic procedure in which a fluoroscopy is used to examine the flow of urine from the bladder is known as voiding

The process is known as voiding cystourethrography. In this process the urethra of a person is filled with radio waves blocking substance also known as radiocontrast substance commonly used agent is diaziotic acid. They Xray study is done of urethra when the person empties his bladder. The report is then made which tells if there is any problem with urethra.