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Bladder Ultrasound

Medically reviewed by Last updated on Jan 5, 2023.

What do I need to know about a bladder ultrasound?

A bladder ultrasound is a test that uses sound waves to look at your bladder. It can also help your healthcare provider see how much urine is left in your bladder after you urinate. A bladder ultrasound does not expose you to radiation.

Kidney, Ureters, Bladder

How do I prepare for a bladder ultrasound?

Your healthcare provider will talk to you about the test. You will need to drink several glasses of water before your test. After you drink the water, do not urinate until you are told it is okay to do so.

What will happen during a bladder ultrasound?

You will lie on a table. Your healthcare provider will put gel on your lower abdomen. A device called a transducer will be moved over your lower abdomen. The transducer uses sound waves to make images of your bladder. Your provider will ask you to urinate. Then more images of your bladder will be taken when it is empty.

Care Agreement

You have the right to help plan your care. Learn about your health condition and how it may be treated. Discuss treatment options with your healthcare providers to decide what care you want to receive. You always have the right to refuse treatment. The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.