Phenomena

Ultrasound in Medicine

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When you hear the term “ultrasound,” your brain likely jumps to grainy black and white images of unborn babies, but this technology has a lot more medical uses than just that! Ultrasound is used to image many parts of the body — earlier this year, I got to see my own heart in action through an echocardiogram, for example. But the technology has therapeutic uses as well. At higher energies, ultrasound is used to break up kidney stones (through cavitation), treat tremors, and alleviate some sources of pain. To learn more, check out Explore Sound’s page on biomedical acoustics. (Video and image credit: Acoustical Society of America)

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