Cardiomyopathy, DilatedCardiomyopathy, RestrictiveCardiomyopathiesCardiomyopathy, HypertrophicHeart FailureTakotsubo CardiomyopathyCardiomyopathy, Hypertrophic, FamilialChagas CardiomyopathyMyocardiumCardiomyopathy, AlcoholicEchocardiographyArrhythmogenic Right Ventricular DysplasiaElectrocardiographyDiabetic CardiomyopathiesVentricular Function, LeftMyocarditisVentricular Dysfunction, LeftHeart VentriclesIdiopathic Pulmonary FibrosisHeart SeptumVentricular Outflow ObstructionMyocardial ContractionMyocytes, CardiacHeartDeath, Sudden, CardiacStroke VolumeCardiac MyosinsTachycardia, VentricularEchocardiography, DopplerPeripartum PeriodFibrosisPedigreeVentricular MyosinsEndomyocardial FibrosisSarcomeresMyocardial IschemiaMyosin Heavy ChainsArrhythmias, CardiacEndocardiumMutationHypertrophy, Left VentricularHeart TransplantationPlakophilinsFollow-Up StudiesScoliosisVentricular RemodelingHemodynamicsTreatment OutcomeLamin Type ATroponin TCardiac Pacing, ArtificialDiastoleHeart DiseasesArthritis, JuvenilePuerperal DisordersDefibrillators, ImplantableSarcoglycansCardiomegalyDeath, SuddenPhenotypePurpura, Thrombocytopenic, IdiopathicCardiac CatheterizationMagnetic Resonance Imaging, CineDisease Models, AnimalMutation, MissenseDesmoglein 2SystoleMice, TransgenicPrognosisGlycogen Storage Disease Type IIbBiopsyPregnancy Complications, CardiovascularCase-Control StudiesIsolated Noncompaction of the Ventricular MyocardiumAdrenergic beta-AntagonistsRetrospective StudiesCatheter AblationDesminVentricular DysfunctionMitral ValveDystrophin3-IodobenzylguanidineTime FactorsProspective StudiesHeart Function TestsMitral Valve InsufficiencyAblation TechniquesPredictive Value of TestsSeverity of Illness IndexCardiotonic AgentsHeart BlockVentricular Dysfunction, RightBundle-Branch BlockSyncopeMagnetic Resonance ImagingElectrophysiologic Techniques, CardiacElectrocardiography, AmbulatoryMuscular Dystrophy, DuchenneGenetic TestingPericarditis, Constrictive