Grayscale Imaging Artifacts
grayscale imaging artifactsSPI exam prepposterior enhancementacoustic shadowingultrasound physicsARDMS SPIthrough transmissionpropagation speed error
SPI Exam Prep
Grayscale Imaging Artifacts
Explore the physics of grayscale imaging artifacts and the six core assumptions of ultrasound systems. Understand how attenuation leads to posterior enhancement and shadowing while learning to distinguish between pathology and equipment malfunction. ARDMS, ARRT, and CCI registry exam preparation.
25:56
Full lesson
Transcript
25:56 lessonUltrasound artifacts occur when system assumptions, such as a constant propagation speed of 1540 m/s or straight-line travel, are breached. Posterior enhancement and shadowing result from varying attenuation levels.
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