David Chang, EdD, RRT-NPS, is a professor of cardiorespiratory care at the University of South Alabama, Mobile. He has served on many committees and in many capacities at the American Association for Respiratory Care, National Board for Respiratory Care, and Commission on Accreditation for Respiratory Care. Dr. Chang’s special interest is research and mechanical ventilation. He has published five textbooks and developed an open-source website (http://rtexam.com/) for students and practitioners. In his spare time, Dr. Chang conducts training sessions for students and educators at the state, national, and international levels.
Eileen S. O’Neill, PhD, RN, is professor emeritus at the College of Nursing at the University of Massachusetts, Dartmouth. Her areas of expertise are pathophysiology advanced practice nursing and nursing inquiry. Her clinical practice area is care of the adult patient. Dr. O’Neill’s research program centers on clinical and patient decision making, including the role of technology in improving patient care. She has been published in several leading nursing journals.