This text is written to provide the clinician with thorough working appreciation of the SAECG. Subject matter is selected to highlight the background and application of the SAECGs most practical aspects. The first two chapters deal with the origin and pathophysiology of cardiac late potentials. Subsequent chapters address issues of the SAECG, including technical aspects of acquisition and analysis, review currently accepted clinical uses, and present case studies. Finally, the book concludes with adeliberation on the evolution and future uses of the technique.