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What is a post-void residual measurement test?

If you have the urge to urinate frequently but don't void much fluid, your doctor might recommend a post void residual measurement test to see if you are emptying your bladder completely. To do this, you will urinate, and then your doctor will insert a small, soft tube (catheter) into the bladder through the urethra to drain any remaining urine. Alternatively, your doctor might use an abdominal ultrasound to get an image of your bladder and the amount of fluid in it.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.