Three different types of ultrasound probes: (A) linear transducer, small footprint, “hockey stick” probe for superficial blocks and small working areas;

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Three different types of ultrasound probes: (A) linear transducer, small footprint, “hockey stick” probe for superficial blocks and small working areas; (B) curvilinear probe for improved penetration but lower frequency and resolution; (C) linear transducer for superficial to moderately deep blocks. Source: Regional Anesthesia, Anesthesiology, 3e Citation: Longnecker DE, Mackey SC, Newman MF, Sandberg WS, Zapol WM. Anesthesiology, 3e; 2017 Available at: http://accessanesthesiology.mhmedical.com/DownloadImage.aspx?image=/data/books/2152/longnecker3_ch44_f006.png&sec=164225079&BookID=2152&ChapterSecID=164142713&imagename= Accessed: October 19, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved

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