Cover -- Title Page -- Copyright -- Contents -- Preface to the Seventh Edition -- Part I Disorders of the Heart Rhythm: Basic Principles -- Chapter 1 The Cardiac Electrical System -- The anatomy of the heart's electrical system -- The cardiac action potential -- Depolarization -- Repolarization -- The resting phase -- Localized variations in the heart's electrical system -- Localized differences in the action potential -- Localized differences in autonomic innervation -- Relationship between action potential and surface ECG -- Chapter 2 Abnormal Heart Rhythms -- Bradyarrhythmias

Failure of impulse generation -- Failure of impulse propagation -- Tachyarrhythmias -- Automaticity -- Reentry -- Triggered activity -- Chapter 3 Treatment of Arrhythmias -- Pharmacologic therapy -- Channels and gates -- Classification of antiarrhythmic drugs -- Effects of antiarrhythmic drugs -- Proarrhythmia -- Drug toxicity -- Nonpharmacologic therapy -- Reversing the underlying cause for arrhythmias -- Surgical and ablation therapy -- Device therapy -- Part II The Electrophysiology Study in the Evaluation and Therapy of Cardiac Arrhythmias

Chapter 4 Principles of the Electrophysiology Study -- Recording and pacing -- Cycle length -- Coupling interval -- The electrode catheter -- Recording intracardiac electrograms -- Pacing -- Performance of the electrophysiology study -- The physical setup of the electrophysiology laboratory -- Preparation of the patient -- Insertion and positioning of electrode catheters -- The basic electrophysiology protocol -- Evaluation of the electrophysiologic properties of the heart -- Automaticity -- Conduction velocity -- Refractory periods

The effect of cycle length and autonomic tone on refractory periods and conduction velocity -- Evaluation of reentrant arrhythmias -- Programmed stimulation in reentrant arrhythmias -- Recording electrograms during reentrant arrhythmias -- Effect of autonomic maneuvers, antiarrhythmic drugs, and devices on reentry -- Complications of electrophysiologic testing -- Chapter 5 The Electrophysiology Study in the Evaluation of Bradycardia: The SA Node, AV Node, and His-Purkinje System -- Evaluation of SA nodal abnormalities -- Anatomy of the SA node -- SA nodal dysfunction

Evaluating SA nodal function in the electrophysiology laboratory -- Sinus node recovery time (SNRT) -- Measuring SNRT -- An interesting but not surprising observation -- Intrinsic heart rate (IHR) -- Interpreting SA nodal tests: when to carry out electrophysiologic testing -- Evaluation of AV conduction disorders -- Symptoms of AV conduction disorders -- The site of the conduction disorder -- AV nodal block -- His-Purkinje block -- The degree of AV block -- First-degree AV block -- Second-degree AV block: Mobitz classification -- Third-degree AV block -- AV dissociation -- Treatment of AV block