Doppler Ultrasonography
Doppler ultrasonography is a noninvasive, non-x ray, painless diagnostic procedure that can detect the direction, velocity, and turbulence of blood flow. It is frequently used ...
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Doppler Effect
The Doppler effect was named after Christian Johann Doppler. This Austrian physicist observed and explained the changes in pitch and frequency of sound and light waves, as well as all o...
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Doppler Ultrasonography
Doppler Effect