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You are here : AllRefer.com > Health > Tests & Exams > Abdominal ultrasound

Abdominal ultrasound

Alternate Names : Ultrasound - abdomen, Abdominal sonogram


Definition

Abdominal ultrasound is an imaging procedure used to examine the internal organs of the abdomen, including the liver, gallbladder, spleen, pancreas, and kidneys. The blood vessels that lead to some of these organs can also be looked at with ultrasound.

Why is the Test Performed?

Your health care provider may order this test to:

  • Determine the cause of abdominal pain
  • Learn why there is swelling of an abdominal organ
  • Look for stones in the gallbladder or kidney

The specific reason for the test will depend on your symptoms.

How is the Test Performed?

An ultrasound machine creates images that allow various organs in the body to be examined. The machine sends out high-frequency sound waves, which reflect off body structures to create a picture. A computer receives these reflected waves and uses them to create a picture. Unlike with x-rays or CT scans, there is no ionizing radiation exposure with this test.

You will be lying down for the procedure. A clear, water-based conducting gel is applied to the skin over the abdomen. This helps with the transmission of the sound waves. A handheld probe called a transducer is then moved over the abdomen.

You may be asked to change position so that the health care provider can examine different areas. You may also be asked to hold your breath for short periods of time during the examination.

The procedure usually takes less than 30 minutes.

How to Prepare for the Test?

Preparation for the procedure depends on the nature of the problem and your age. Usually patients are asked to not eat or drink for several hours before the examination. Your health care provider will advise you about specific preparation.

How will the Test Feel?

There is little discomfort. The conducting gel may feel slightly cold and wet.

Pictures & Images

Abdominal ultrasound
Abdominal ultrasound

Digestive system
Digestive system

Kidney anatomy
Kidney anatomy

Ultrasound in pregnancy
Ultrasound in pregnancy

Kidney - blood and urine flow
Kidney - blood and urine flow

Abdominal ultrasound
Abdominal ultrasound

       
      See all Pictures & Images



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Review Date : 10/29/2008
Reviewed By : David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.



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