Arrhythmogenic Right Ventricular DysplasiaPlakophilinsDesmoglein 2DesmocollinsDesmoplakinsTachycardia, VentricularDesmosomesVentricular Dysfunction, RightCardiomyopathiesEndocardiumElectrocardiographyHeart VentriclesElectrophysiologic Techniques, CardiacDefibrillators, ImplantableArrhythmias, CardiacDesmosomal CadherinsMyocardiumDeath, Sudden, CardiacVentricular Function, RightTachycardiaCatheter AblationAnti-Arrhythmia AgentsDisarticulationEchocardiographyPedigreeFollow-Up StudiesMutationDNA Mutational AnalysisMagnetic Resonance ImagingBundle-Branch Blockgamma CateninRecurrenceVentricular DysfunctionElectrocardiography, AmbulatoryBody Surface Potential MappingTreatment OutcomePhenotypePrognosisFibrous Dysplasia of Bone