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How is sound used in medical applications?

Sound is used in medical applications for imaging, diagnosis, and therapy.

Sound waves have been used in medical applications for decades, particularly in the field of imaging. Ultrasound is a commonly used technique that uses high-frequency sound waves to create images of internal organs and tissues. It is non-invasive and does not use ionizing radiation, making it a safer alternative to X-rays. Ultrasound is used to diagnose conditions such as pregnancy, heart disease, and cancer.

Sound waves are also used in diagnosis through techniques such as auscultation, which involves listening to sounds produced by the body using a stethoscope. This can help detect abnormalities in the heart, lungs, and other organs. For a deeper understanding of how sound waves are categorised, see Wave Parameters.

In addition to imaging and diagnosis, sound waves are also used in therapy. High-intensity focused ultrasound (HIFU) is a non-invasive technique that uses sound waves to destroy cancer cells. It is particularly useful for treating prostate cancer and uterine fibroids. Low-intensity pulsed ultrasound (LIPUS) is used to promote bone healing and reduce pain and inflammation in conditions such as osteoarthritis. For more on how energy is transferred in these processes, refer to Work and Energy.

Overall, sound waves have a wide range of medical applications and continue to be an important tool in the diagnosis and treatment of various conditions. To explore further how energy interactions like these are quantified, you may find Electric Potential Energy helpful. For insights into the foundational principles underlying these phenomena, consider reading about the Photoelectric Effect.

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