Introduction: Arrhythmogenic Right Ventricular Cardiomyopathy/Dysplasia Clarified -- Advances in Genetics: Dominant Forms -- Advances in Genetics: Recessive Forms -- Genotype-Phenotype Correlations -- Autopsy and Endomyocardial Biopsy Findings -- Cell Adhesion Pathology -- Ultrastructural Substrates -- Transgenic Animal Models -- Spontaneous Animal Models -- Possible Causative or Contributing Role of Viruses -- Diagnosis: Task Force Criteria including Modifications for Family Members -- Strengths and Weaknesses of the Task Force Criteria — Proposed Modifications -- Idiopathic Right Ventricular Outflow Tract Tachycardia -- Electrocardiographic Manifestations -- Echocardiography -- MR and CT Imaging -- Diagnostic Role of Angiography -- Electrophysiologic Study including Electroanatomic Mapping -- Risk Stratification and Antiarrhythmic Drug Therapy -- Catheter Ablation of Ventricular Tachycardia -- The Role of the Implantable Cardiac Defibrillator in the Management -- Management of Heart Failure -- Sudden Death in Young Athletes.