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Doppler probe |
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Doppler probe
Etymology: Christian J. Doppler a handheld diagnostic device that emits ultrasonic waves into the body. Reflection of the waves by a moving structure causes a change in their frequency. The Doppler probe has been used as a diagnostic tool since 1960 to study changes in blood flow in arteries and veins. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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