VCUG

Voiding CystoUrethroGram – A procedure used to observe how the bladder accumulates and empties urine. The test is done by introducing a catheter into the bladder then injecting contrast agent into the bladder while watching with fluoroscopy (video x-ray). After filling the bladder with contrast, the patient is asked ot empty the bladder. During the test the examiner looks for how well the bladder can hold the injected urine, any indication of contrast entering the ureters that connect the bladder with the kidneys (reflux) and how successfully the bladder is emptied on command.