RT Book, Section A1 Markowitz, Joshua A2 Carmody, Kristin A. A2 Moore, Christopher L. A2 Feller-Kopman, David SR Print(0) ID 56300167 T1 Chapter 4. Probe Selection, Machine Controls, and Equipment T2 Handbook of Critical Care and Emergency Ultrasound YR 2011 FD 2011 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-160489-5 LK accessanesthesiology.mhmedical.com/content.aspx?aid=56300167 RD 2024/04/25 AB A basic understanding of physics and orientation is essential for understanding ultrasound. However, when standing in front of the ultrasound machine, you need to make some concrete decisions about what probe to use, and what buttons to press, in order to obtain a good image—sometimes known as knobology.