Intro and Shadowing
"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
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onAr:0 | v:0 | onPs:2pu? False | pv:1
pLen: 0 | nLen 1 | cCode:
| debug: | debugCtr: 0 | localNlen: 1;
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