Cardiomyopathy, HypertrophicCardiomyopathy, DilatedCardiomyopathy, Hypertrophic, FamilialHeartCardiomyopathiesEchocardiographyCardiomyopathy, RestrictiveHeart SeptumVentricular Outflow ObstructionMyocardiumCardiac MyosinsDeath, Sudden, CardiacVentricular MyosinsElectrocardiographyHeart RateMyosin Heavy ChainsHypertrophy, Left VentricularSarcomeresTakotsubo CardiomyopathyHeart VentriclesTroponin TAblation TechniquesMyocardial ContractionHeart FailureVentricular Function, LeftMutationDeath, SuddenEchocardiography, DopplerPedigreeChagas CardiomyopathyHeart DiseasesVentricular Dysfunction, LeftDiastoleCardiomegalyTropomyosinNoonan SyndromeFibrosisHeart TransplantationMagnetic Resonance Imaging, CineMyocytes, CardiacSyncopeTachycardia, VentricularStroke VolumePhenotypeMyosinsSystoleEndomyocardial FibrosisCardiomyopathy, AlcoholicMutation, MissenseArrhythmogenic Right Ventricular DysplasiaGlycogen Storage Disease Type IIbSportsMyofibrilsHemodynamicsCardiac Pacing, ArtificialTroponin IMyocardial IschemiaLEOPARD SyndromeHeart Defects, CongenitalMyocarditisDefibrillators, ImplantableCardiac CatheterizationFollow-Up StudiesElectrocardiography, AmbulatoryMitral ValveHeart AneurysmHeart BlockArrhythmias, CardiacPenetranceCarrier ProteinsEndocardiumVentricular RemodelingHeart AtriaPrognosisPhonocardiographyGenetic TestingExercise TestVectorcardiographyDiabetic CardiomyopathiesEchocardiography, Doppler, ColorVentricular PressureHeart Function TestsVentricular SeptumAdrenergic beta-AntagonistsTime FactorsPredictive Value of TestsDNA Mutational AnalysisDisease Models, AnimalMice, TransgenicCoronary CirculationTreatment OutcomeIodobenzenesEchocardiography, Doppler, PulsedGadoliniumHeterozygotePapillary MusclesProspective StudiesRetrospective StudiesMyosin Light ChainsCatheter Ablation