DEDICATION I would like to dedicate this book to all my colleagues, nationally and internationally, in Emergency Medicine and Pediatrics that care for ill and injured children I hope this new edition will help in our mission to provide high-quality care To the many students, residents, fellows, and junior colleagues whom I have taught and have taught me, thank you for your dedication Finally, and most importantly, my love and gratitude to my family for their support: my husband Ben Green and our children Andrew, Becca, and Eric Kathy N Shaw Upon reflecting on this endeavor, I first need to thank my extraordinary mentor, Gary Fleisher, who bestowed this editorial position on me and provided strong guidance and support over the last 33 years Taking the lead from Steve and Gary on this iconic tool of our specialty is one of the highest honors of my career To Kathy Shaw, you are an inspiring partner and a visionary PEM leader—you have enhanced every aspect of this process and thank you for the opportunity to work with you To Bernadette, Ryan, and Abby, thank you for your love and encouragement As we release this 8th edition, I am extremely hopeful that this textbook continues to be a tremendous resource for all those dedicated to emergency care for children Richard G Bachur I would like to dedicate this work to my brilliant wife, Pamela Berry, my children, Daniel, Michael, Meghan, and Eleanor, and my grandson Arthur You give me the “strength to what needs to be done.” I’d like to thank my colleagues, fellows, and patients, from whom I relearn daily the joys of practicing medicine James M Chamberlain To my Mom and Dad, thanks for inspiring me to follow my passion and for instilling in me a strong work ethic and the importance of contributing to