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Ultrasonography

What is Ultrasonography?

Ultrasonography, also known simply as ultrasound or sono, is a method of obtaining diagnostic images of the body through the use of high frequency sound waves (not audible). Ultrasonography does not use radiation, making it ideal for imaging children and pregnant women. The equipment also has the advantage of being relatively portable.

What are some common uses of Ultrasound?

• Evaluating pregnancy and the fetus
• Examination of internal organs, including the heart, liver, gallbladder, spleen, pancreas, kidneys, and pelvic organs
• Examination of superficial parts such as muscles and joints, breast, thyroid gland, and scrotum
• Analyze motion and blood flow, such as the heart, arteries and veins
• Guide procedures such as needle biopsies

How should I prepare for an Ultrasound?

• Wear comfortable, loose-fitting clothing.
• Depending on the type of ultrasound exam you have, you will be asked:
  • Not to eat or drink for up to 12 hours before your appointment, or
  • Drink up to six glasses of water two hours prior to your exam and avoid urinating. This will ensure a full bladder when the exam begins
  • You will be given detailed instructions for your specific exam by your physician or our staff

What should I expect during this procedure?

The examination usually takes less than 30 minutes. After being positioned on the exam table, a clear warm gel is applied in the area being examined. This helps the ultrasound probe make contact with the skin. The technologist gently presses the transducer against the skin and views images on the ultrasound unit’s monitor. The technologist will record multiple images and perhaps video as well, that the radiologist uses to make a diagnosis.

The technologist will not be able to discuss findings with you during or after the exam, as the diagnostic images can be read only by a physician.

What will I experience during the procedure?

Ultrasound itself is painless. The gel applied to your skin may be a bit uncomfortable if it is not sufficiently warm when applied. There may be varying degrees of mild discomfort or pressure as the technologist guides the ultrasound probe over areas of pain or tenderness.

For more information on this topic, please visit www.Radiologyinfo.org.

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