Cardiac electrophysiology: a visual guide for nurses, techs, and fellows by Klein, George J., (Professor of medicine), Purves, Paul D., Leong-Sit, Peter, Yee, Raymond, Skanes, Allan C., Gula, Lorne J., Krahn, Andrew D. 0 Type: Book Cardiac Electrophysiology is a basic electrophysiology book in a pictorial landscape format that teaches the essential concepts of clinical cardiac electrophysiology.