chapter 1 Electricity and Electrophysiology -- chapter 2 Molecular Physiology of Cardiac Ion Channels -- chapter 3 The Cardiac Action Potential -- chapter 4 Propagation Through Cardiac Muscle -- chapter 5 Neurohumoral Modulation of Cardiac Electrophysiologic Properties -- chapter 6 Pharmacological Modulation of Cardiac Electrophysiologic Properties -- chapter 7 Electrophysiologic Abnormalities in Hypertrophied, Failed or Infarcted Hearts -- chapter 8 Synthesis of the Cardiac Purkinje-fiber Action Potential Using a Computer Model.