post-void residual volume

Post-void residual volume (PVR) is the amount of urine remaining in the bladder after you have urinated. Normally, your bladder empties most of its urine during urination, but sometimes a small amount remains. Measuring PVR helps doctors evaluate how well the bladder is functioning. A higher-than-normal residual might indicate issues like urinary retention, nerve problems, or obstructions. Usually, a PVR of less than 50 milliliters is considered normal. Knowing this volume can assist in diagnosing urinary problems and guiding appropriate treatment.