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foreign body

QuestionAnswer
what are four benefits of us for FB? high sensitivity, noninvasive, real-time, inexpensive
3 examples of organic fb? thorn, wood and bee stinger
three main categories of FB? organic, inorganic, and metallic
3 examples of inorganic? glass, gravel, plastic
what types of substances does x-ray have a hard time imaging? organic
how would an acute FB appear on ultrasound? echogenic with shadowing
what is the composition of a granuloma? macrophages and fibroblast
what would a hypoechoic area around a FB indicate? inflammatory reaction
what artifact is demonstrated when scanning a metal FB? reverberation
what type of velocities indicate hyperemia? low
what are limitations when scanning for a FB? calcifications, scar tissue
define radiopaque? tissue, contrast, or material that attenuates or blocks radiation
what are two techniques used to scan FB? THI and instrumentation
how do majority of FB appear? echogenic
what must be documented? where it is, how big, and any surrounding tissue changes
Created by: sarahayes
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