Cardiomyopathy, HypertrophicCardiomyopathy, DilatedCardiomyopathy, Hypertrophic, FamilialDiastoleVentricular Dysfunction, LeftHeart Failure, DiastolicCardiomyopathiesEchocardiographyCardiomyopathy, RestrictiveEchocardiography, DopplerMyocardiumVentricular Outflow ObstructionHypertrophy, Left VentricularHeart SeptumVentricular Function, LeftHeart VentriclesSystoleElectrocardiographyCardiac MyosinsVentricular DysfunctionMyocardial ContractionSarcomeresVentricular MyosinsDeath, Sudden, CardiacMyosin Heavy ChainsStroke VolumeTakotsubo CardiomyopathyEchocardiography, Doppler, PulsedTroponin THeart FailureFibrosisCardiomegalyAblation TechniquesMutationHeartEndomyocardial FibrosisNatriuretic Peptide, BrainDeath, SuddenMitral ValveHemodynamicsMyocytes, CardiacPedigreeChagas CardiomyopathyVentricular RemodelingMagnetic Resonance Imaging, CineEchocardiography, Doppler, ColorVentricular PressureTropomyosinVentricular Dysfunction, RightDiabetic CardiomyopathiesHeart DiseasesNoonan SyndromePhenotypeTroponin IMyofibrilsDisease Models, AnimalCardiac CatheterizationSyncopeFollow-Up StudiesTachycardia, VentricularMyosinsHypertensionCardiomyopathy, AlcoholicHeart Function TestsMutation, MissenseProspective StudiesPredictive Value of TestsBlood PressureSarcoplasmic Reticulum Calcium-Transporting ATPasesPrognosisCoronary CirculationArrhythmogenic Right Ventricular DysplasiaArrhythmias, CardiacCase-Control StudiesBlood Flow VelocityGlycogen Storage Disease Type IIbAtrial Function, LeftMyocardial IschemiaSportsCardiac Pacing, ArtificialTime FactorsMice, TransgenicExercise TestSeverity of Illness IndexLEOPARD SyndromeHeart AtriaCarrier ProteinsDefibrillators, ImplantableEndocardiumRisk FactorsCardiomegaly, Exercise-InducedBiological MarkersMyocarditisPenetranceHeart RateHeart AneurysmCalciumElectrocardiography, AmbulatoryTreatment OutcomeRetrospective Studies