Ultrasound
What is ultrasound?
Ultrasound is a diagnostic procedure using high-frequency sound waves (beyond human hearing capability) to produce high-quality images of soft tissues and motion within the body. Ultrasound involves no X-rays and can provide medical information that, in the past, may have required surgery to detect.
Ultrasound can detect aneurysms, blood clots, damaged heart tissue, abnormal growths, diseased tissue and, during pregnancy, a baby's size, weight, position and physical condition. Ultrasound is also used to diagnose and treat muscle injuries and some joint problems.
How does ultrasound work?
The ultrasound procedure is simple and painless. A hand-held transducer emitting silent, high frequency sound waves is placed against the body and slowly passed over the area being examined. The sound waves pass through the skin and into the body. The returning sound waves or echoes are separated and identified by the transducer, then changed into electrical energy. Sophisticated equipment produces images on a video monitor, which may then be transferred to paper or film.
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