Mikel A Rothenberg, MD (deceased) was a board-certified internal medicine specialist with a special interest in critical care and emergency medicine. Dr. Rothenberg wrote several medical and legal books, numerous journal article, and an ACLS computer software program. He served as the executive editor of ACLS Alert, and wrote an advanced cardiac life support online column. A strong advocate of personal growth and self-esteem building, Dr. Rothenberg spoke internationally, presenting courses on “plain English” medical topics. Sean G Smith, BSN, RN, NREMT-P, FP-C, C-NPT, CCRN-CMC, CFRN, CEN, CPEN, has experience in both emergency care and critical care. He has written neo-natal/pediatric CE exams for the American Association of Critical Care Nurses, as well as writing for Mosby clinical updates. He has practiced and taught critical/emergency care and re-hospital emergency medical services. Sean lectures at the national level and has extensive text review/exam writing/contributing author credits.