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Paul L. Desmarais, PhD, RN, CCRN, is Associate Lecturer, College of Nursing, at the University of Central Florida, where he teaches courses in Critical Care of the Adult as well as the Clinical Practicum. He also practices as a critical care nurse. He has authored several journal articles on EKGs and has contributed chapters and clinical material to market-leading nursing textbooks and skills-based competency programs. His research focus is on cardiovascular disease and cardiac rehabilitation.