Kidney Ultrasound
Kidney Ultrasound

Diagnostics & Testing

Kidney Ultrasound

What is an ultrasound?

Ultrasound (also known as sonography or ultrasonography) is a diagnostic procedure thattransmits high-frequency sound waves, inaudible to the human ear, through body tissues.The echoes are recorded and transformed into video or photographic images of the internalstructures of the body.

Ultrasound images help in the diagnosis of a wide range of diseases and conditions. Ultrasoundis used to create images of soft tissue structures, such as the gallbladder, liver, heart, kidney,female reproductive organs -- and even of fetuses still in the womb. Ultrasound can also detectblockages in the blood vessels.

Ultrasound may be used with other diagnostic procedures or by itself. Studies have shown thatultrasound is not hazardous. There are no harmful side effects. In addition, ultrasound does notuse radiation, as X-ray tests do.

Before the test

The preparation for this test will depend on the type of ultrasound procedure your doctor hasordered. Some preparations include drinking a quart of water before the test to obtain better images. Other preparations mayinclude eating a fat-free dinner the night before the test, or possibly fasting. The doctor, nurse, or receptionist will give you completeinstructions prior to the exam.

What is a kidney ultrasound?

A kidney ultrasound looks at the right and left kidney and also the bladder.Your doctor may also need a post voiddone with this exam. This requires you to come with a full bladder to get a volume of the bladder before and after you empty it.

On the day of the test

You may eat or drink as normal the day of the exam. Your doctor may need a post void of the bladder which will require you todrink 1 liter (30oz) of water an hour before the exam and not use the restroom until after.

Your ultrasound test will be performed by a registered, specially trained, technologist and interpreted by a board-certified radiologist.

During the test

You will lie on a padded examining table. A warm, water-soluble gel is applied to the skin over the area to be examined. Thegel does not harm your skin or stain your clothes. A probe is gently applied against the skin. You may be asked to hold yourbreath several times or roll on your side.

The ultrasound will take about 20-30 minutes to complete.

After the test

The results of your ultrasound are usually available within 24 hours after your test. Your orderingphysician will discuss the test results with you.

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