Ultrasound can be used in medicine. Scanning the body with ultrasound waves can build up a picture of the body's organs, including the heart, lungs and liver.
Ultrasound waves can down kidney stones so they can be removed from the body naturally. This avoids the need for surgery.
Ultrasonic waves cause the kidney stones to vibrate. The stones break up, are dispersed, and can then be passed out of the body in the urine.
Ultrasound can be used:
- to measure the speed of blood flow.
- to detect gallstones and tumors.
- for pre-natal scanning because there is less risk to mother or baby than using X-rays.
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