Imaging Artifacts - Part 2
Imaging Artifacts - Part 2
Explore equipment-related artifacts including electrical interference, transducer malfunction, and vertical dropout. Master the identification of twinkle artifact for renal calculi and understand the physics behind spectral Doppler aliasing and the Nyquist limit. ARDMS, ARRT, and CCI registry exam preparation.
Transcript
9:30 lessonElectrical interference appears as small amplitude echoes or electronic noise overlying anatomy. Twinkle artifact creates a mosaic pattern behind stones, while aliasing occurs when the Doppler shift exceeds the Nyquist limit.
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