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Bladder Scan

A bladder scan is a common procedure performed during an outpatient visit to determine how much urine is left over in the bladder after urination is completed. This is known as the post-void residual (PVR) and is often elevated in patients who have obstruction from prostate enlargement or urethral strictures or if the bladder is not working well from some other underlying disease.

A bladder scan is a simple ultrasound machine so a small amount of jelly is placed on the lower abdomen and the probe is then placed over the bladder and the volume of urine in the bladder is measured.