Amal Mattu, MD, Professor and Vice Chair of Academic Affairs, Co-Director Emergency Cardiology Fellowship, Department of Emergency Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA. William J. Brady, MD, Professor, Vice Chair, and The David A. Harrision Distinguished Educator, Department of Emergency Medicine, University of Virginia School of Medicine, Charlottesville, VA, USA; Medical Director, Albemarle County Fire Rescue, Charlottesville, VA, USA; Editor, The American Journal of Emergency Medicine.