Q.101
Gas bubbles produce
which of the following artifact in ultrasonography
EXPLANATION
Diagnostic Ultrasound Artifacts: Ring Down Artifact (Gas Bubbles, Biopsy Needles) & Shadowing
- Ultrasound Ring-Down Artifact: In diagnostic ultrasonography, microscopic gas bubbles in fluid produce the characteristic Ring-Down Artifact.
- Acoustic Mechanism: Sound waves become trapped between adjacent microbubbles suspended in fluid, reverberating back and forth continuously to produce bright, continuous hyperechoic parallel lines or streaks extending deep into the image.
Correct option: (3) Ring down artifact
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