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Ultrasonography, Doppler

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Definition: Ultrasonography applying the Doppler effect, with frequency-shifted ultrasound reflections produced by moving targets (usually red blood cells) in the bloodstream along the ultrasound axis in direct proportion to the velocity of movement of the targets, to determine both direction and velocity of blood flow. (Stedman, 25th ed)  general or unspecified; prefer specifics   
Examples Echocardiography, Doppler; Ultrasonography, Doppler, Duplex; Ultrasonography, Doppler, Pulsed; Ultrasonography, Doppler, Transcranial 		Other names Ultrasound Imagings, Doppler; Ultrasound Imaging, Doppler; Imagings, Doppler Ultrasound; Imaging, Doppler Ultrasound; Doppler Ultrasound Imagings; Doppler Ultrasound Imaging; Doppler Ultrasonography

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