Unit 25 US Physics, Doppler, ALARA Pt. 1
Doppler shiftdemodulationfetal middle cerebral arteryumbilical arteryductus venosusOB/GYN ultrasoundspectral Dopplerpower Doppler
OB/GYN Exam Prep
Unit 25 US Physics, Doppler, ALARA Pt. 1
Explore Doppler shift principles and demodulation techniques for fetal and maternal surveillance. Analyze blood flow direction and velocity using spectral, color, and power Doppler to evaluate the umbilical artery and fetal middle cerebral artery. ARDMS, ARRT, and CCI registry exam preparation.
26:53
Full lesson
Transcript
26:53 lessonDoppler shift occurs when sound waves strike moving red blood cells, altering the reflected frequency. Demodulation isolates this shift from the fundamental frequency to determine flow direction.
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