Product Description Dr. Arnold Katz's internationally acclaimed classic is now in its thoroughly revised Fourth Edition, incorporating the latest molecular biology research and extensively exploring the clinical applications of these findings. In a readable style enhanced by more than 400 diagrams, Dr. Katz provides a comprehensive overview of the physiological and biophysical basis of cardiac function, beginning with structure and proceeding to biochemistry, biophysics, and pathophysiology in arrhythmias, ischemia, and heart failure. This edition features a new clinical applications section and expanded chapters on the ischemic heart and heart failure.