This text is dedicated to the residents and faculty in Emergency Medicine at the University of Maryland MedicalCenter for providing the inspiration for this work; to my col-league Deepi Goyal, a true friend, scholar, and role model; to Mary Banks and Blackwell Publishing for supporting this work; to my children Nikhil, Eleena, and Kamran for provid-ing the greatest inspiration in my life; and to my wife Sejalfor her incredible support of all that I do, and without whom none of this would be possible.
Amal Mattu, MD
