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Frederick Kremkau, PhD
Principles Tune Up: How Sharp Are You?
Frederick Kremkau, PhD
07/06/2009 | Time : 81 min
About This Lecture:

Topics mentioned in this video : Lecture overview, Definition of ultrasound, Definition of Doppler effect, Occurrence of Doppler effect, Role of blood cells in Doppler effect, Doppler equation, Doppler angle, Increase in Doppler angle, Equation regarding ratio of Doppler shift, Doppler shift, Change in vessel lumen, High proximal flow resistance, High distal flow resistance, Three forms of Doppler, Color Doppler map, Effect of frame rate on Doppler shift, Effect of change in Doppler angle on Doppler shift, Color Doppler map, Angulation in transverse scan, Aliasing, Color display, Conventional color Doppler imaging, Doppler shift, Five regions, Power Doppler, Power display, Power Doppler sensitivity, Color Doppler presentation, Spectral analysis, Doppler spectrum, Fast Fourier transform, Doppler shift, Flow speed, Calculated velocity, Sources of spectral broadening, Overgaining, Spectral bandwidth, Contributions to Doppler shift spectrum, Artifacts, Mirror artifact, Gray scale and color shadows, Aliasing artifact, Baseline shift, Refraction,

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Keywords : refraction, aliasing, amplitude, baseline shift, color Doppler imaging, color Doppler, Doppler angle, Doppler effect, Doppler equation, Doppler frequency, Doppler scale, Doppler shift, Doppler spectrum, FFT, frame rate, gray scale ultrasound, high flow speed, mean Doppler shift, mirror artifact, negative Nyquist limit, power Doppler imaging, power Doppler, PRF, pulse repetition frequency, reflector, sampling rate, sound speed, spectral bandwidth, spectral analysis, spectral broadening, stenosis, tardus parvus, ultrasound artifact, ultrasound frequency, ultrasound, volume flow rate, wavelength, Fast Fourier transform, frame rate, ultrasound physics

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