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The aim is to measure blood flow velocity using Doppler frequency shift from back-scattered ultrasound.

August 25, 1961Science

Blood Flow Measured by Doppler Frequency Shift of Back-Scattered Ultrasound

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The aim is to measure blood flow velocity using Doppler frequency shift from back-scattered ultrasound.
Constructed a flowmeter based on Doppler shift principle.
Recorded blood flow through intact vessels in dogs.
Successfully measured blood flow velocity using the constructed flowmeter.

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Randomized trial demonstrates blood flow measurement in dogs using a Doppler ultrasound device, suggesting effective assessment methods.

Franklin et al. (1961) studied this question.

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