Ultrasound examination, also called sonography or diagnostic medical sonography, is an imaging method that uses high-frequency sound waves to produce precise images of structures within your body. The images produced during an ultrasound examination often provide information that's valuable in diagnosing and treating a variety of diseases and conditions. Despite its valuable uses, ultrasound can't provide images of all areas of your body. But there are several other imaging alternatives
You may need to undergo an ultrasound for a variety of reasons. Ultrasounds may be used, among other things to:
How you prepare for an ultrasound depends on which area of your body needs evaluation:
When scheduling your ultrasound, ask your doctor for specific instructions for your particular exam.
Diagnostic ultrasound is a safe procedure that uses low-power sound waves. There are no direct risks from a diagnostic ultrasound exam.