Book excerpt: The Clinical Cardiac Electrophysiology Handbook is a succinct presentation of all the practical information that is needed to understand the subtleties of cardiac electrophysiology and the management of arrhythmias.A focus on the "how to" -- learn about the approaches used to identify, diagnose, and manage a broad range of cardiac rhythm disorders....with an understanding of the "why"-- reinforce the underlying fundamental and clinical science concepts forming the basis for clinical electrophysiology decision-making."...a quick source for information in the EP lab or on the wards, as well as a guide to learning--offering the ability to quickly review the essential components prior to a case or to rapidly reinforce new notions and practices encountered during a case."