Alex Koyfman is EM Core Faculty at University of Texas Southwestern Medical Center / Parkland Memorial Hospital. Dr Koyfman is an author with more than 280 peer-reviewed publications and an editor of five books. He is Editor-in-Chief for emDocs.net. Brit Long is an attending emergency physician and associate professor of emergency medicine. Dr Long is an author with over 520 peer-reviewed publications and an editor of four books. He is Editor-in-Chief – Clinical Content for emDocs.net.