CardiomyopathiesCardiomyopathy, RestrictiveCardiomyopathy, DilatedCardiomyopathy, HypertrophicCardiomyopathy, Hypertrophic, FamilialArrhythmogenic Right Ventricular DysplasiaMyocardiumChagas CardiomyopathyIsolated Noncompaction of the Ventricular MyocardiumSarcomeresMyocarditisCardiac MyosinsHeart DiseasesMyocytes, CardiacArrhythmias, CardiacGenetic TestingDesminMitochondrial DiseasesDeath, Sudden, CardiacEndomyocardial FibrosisHeart FailureHeart VentriclesMutationCardiomegalySarcoglycansEchocardiographyTroponin THeartMitochondria, HeartMagnetic Resonance Imaging, CinePhenotypeMyosin Heavy ChainsPedigreeMyocardial ContractionVentricular Dysfunction, LeftMutant ProteinsSportsMyofibrilsDisease Models, AnimalElectrocardiographyMutation, MissenseDystrophinFibrosisMyocardial IschemiaDiastoleDiabetic CardiomyopathiesVentricular Function, LeftHeart TransplantationCalciumContrast MediaVentricular RemodelingMuscle ProteinsRisk FactorsMagnetic Resonance ImagingBiopsyHypertrophy, Left VentricularMice, TransgenicGenetic Predisposition to DiseaseCase-Control StudiesStroke VolumeCardiovascular DiseasesPredictive Value of TestsDNA, MitochondrialRetrospective StudiesTime FactorsPrognosis