Ultrasound.Guide
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Artifacts
Intro and Shadowing
Slide 1
2
3
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6
"Tricks of physics"
Identify pathology
Avoid pitfalls
Optimize image
Narration
Ultrasound beam encounters a “stiff” object
Bones
Stones
Narration
Gallstones
Shadowing is necessary
If no shadow consider polyp, sludge
Narration
Increased brightness in far field when passing trough fluid
Adjust gain
Narration
Adjust time-gain-compensation (TGC)
Or “i-scan”
Narration
Can help identify abscess, particular when pus is more isoechoic
Narration
Lessons
✓
Intro and Shadowing
.
Edges and Mirrors.
Sidelobe.
Reverb Comets and Rings.
Doppler and Summary.
Author:
Dr. Christopher L Moore
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