Unit 25 US Physics, Doppler, ALARA Pt. 2
umbilical artery Dopplermiddle cerebral arteryductus venosusfetal anemiaresistive indexpulsatility indexNyquist limitaliasing
OB/GYN Exam Prep
Unit 25 US Physics, Doppler, ALARA Pt. 2
Evaluate fetal well-being using umbilical artery Doppler, ductus venosus waveforms, and middle cerebral artery peak systolic velocity. Understand how to calculate resistive and pulsatility indices to detect placental insufficiency and fetal anemia. ARDMS, ARRT, and CCI registry exam preparation.
29:06
Full lesson
Transcript
29:06 lessonUmbilical artery assessment focuses on end diastolic flow patterns to identify placental insufficiency. Middle cerebral artery peak systolic velocity measurements exceeding 1.5 multiples of the median predict fetal anemia.
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