Arrhythmogenic Right Ventricular DysplasiaPlakophilinsDesmoglein 2DesmocollinsDesmoplakinsTachycardia, VentricularDesmosomesVentricular Dysfunction, RightCardiomyopathiesEndocardiumElectrocardiographyElectrophysiologic Techniques, CardiacHeart VentriclesDefibrillators, ImplantableArrhythmias, CardiacDesmosomal CadherinsDeath, Sudden, CardiacVentricular Function, RightTachycardiaCatheter AblationAnti-Arrhythmia AgentsDisarticulationPedigreeEchocardiographyMyocardiumgamma CateninMutationDNA Mutational AnalysisFollow-Up StudiesMagnetic Resonance ImagingBundle-Branch BlockRecurrenceVentricular DysfunctionElectrocardiography, AmbulatoryBody Surface Potential MappingPhenotypeTreatment OutcomePrognosisFibrous Dysplasia of Bone