Doppler: Part 1
Doppler shiftDoppler frequencydemodulationultrasound physicsSPI exam prepARDMS SPIspectral Dopplerpositive Doppler shift
SPI Exam Prep
Doppler: Part 1
Understand the fundamental principles of the Doppler shift and the process of demodulation in ultrasound physics. Learn to calculate Doppler frequency using the difference between transmitted and reflected signals to determine flow direction. ARDMS, ARRT, and CCI registry exam preparation.
19:50
Full lesson
Transcript
19:50 lessonDoppler shift is the difference between the reflected frequency and the transmitted frequency. A positive shift occurs when blood moves toward the transducer, resulting in a signal above the baseline.
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