Arrhythmogenic Right Ventricular DysplasiaPlakophilinsDesmoglein 2DesmocollinsDesmoplakinsTachycardia, VentricularDesmosomesVentricular Dysfunction, RightCardiomyopathiesEndocardiumElectrocardiographyElectrophysiologic Techniques, CardiacHeart VentriclesDefibrillators, ImplantableArrhythmias, CardiacDesmosomal CadherinsDeath, Sudden, CardiacVentricular Function, RightTachycardiaCatheter AblationAnti-Arrhythmia AgentsDisarticulationEchocardiographyPedigreeMyocardiumFollow-Up StudiesMutationDNA Mutational AnalysisMagnetic Resonance ImagingBundle-Branch Blockgamma CateninRecurrenceVentricular DysfunctionElectrocardiography, AmbulatoryBody Surface Potential MappingTreatment OutcomePhenotypePrognosisFibrous Dysplasia of Bone