1. Introduction
!DOCTYPE html> © Springer Nature Switzerland AG 2020S. Adhikari, M. Blaivas (eds.)The Ultimate Guide to Point-of-Care Ultrasound-Guided Procedures https://doi.org/10.1007/978-3-030-28267-7_1 1. Introduction Srikar Adhikari1 and Michael Blaivas2 (1) Department of Emergency Medicine, University of Arizona, Tucson,…