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Basics of Ultrasound 

Basics of Ultrasound
Chapter:
Basics of Ultrasound
Author(s):

Antoun Nader

, Greesh John

, and Mark C. Kendall

DOI:
10.1093/med/9780199908004.003.0002
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date: 18 October 2019

This chapter discusses the basics of ultrasound wave emission and capture, probe selection, image-optimization techniques, artifact generation, and potential adverse biological effects. The rapid improvement of ultrasound image processing allows a dynamic exam with a reliable real-time assessment of the target tissue, the needle trajectory, and the injectate deposition. This, combined with ease of portability and absence of radiation, means the use of ultrasound guidance in regional anesthesia and interventional pain management is rapidly expanding. Basic understanding of ultrasound knobology principles is mandated by most societies using ultrasound technology and is essential for optimal use.

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