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Liver/Abdominal Ultrasound Scan

Here are answers to commonly asked questions about a Liver/Abdominal Ultrasound. Ask your doctor if you have additional questions or concerns.

What is a Liver/Abdominal Ultrasound?

Ultrasound uses sound waves, not x-rays, to generate images. A probe, called a transducer, is passed over the skin. The transducer sends out sound waves that pass through the body and are echoed back. The transducer receives the echoes and transmits them to a computer, which in turn interprets the echo data as pictures of internal organs and tissues.

How is the Ultrasound performed?

You will be asked to attend radiology. The examination will be performed with you lying flat on your back on an examination table. A small amount of water-soluble gel is used on the skin to ensure good transducer contact. The transducer is moved over the skin, sending and receiving ultrasonic impulses, which are converted into images. At various times you will be asked to hold your breath for short periods of time and you may be asked to roll into slightly different positions for some of the images. The gel wipes off easily at the end of the examination.

Are there any special preparations?

You will be required to have nothing to eat or drink for 4-6 hours prior to the scan. This is important so that the organs can be clearly visualised on the ultrasound images. Specific instructions will be given to you when you make the appointment for the examination.

How long will it take?

Most examinations take about 30 minutes although if your organs are more difficult to visualise than usual, then it may take a little longer.