CardiomyopathiesCardiomyopathy, RestrictiveCardiomyopathy, DilatedCardiomyopathy, HypertrophicCardiomyopathy, Hypertrophic, FamilialArrhythmogenic Right Ventricular DysplasiaMyocardiumChagas CardiomyopathyIsolated Noncompaction of the Ventricular MyocardiumSarcomeresMyocarditisCardiac MyosinsHeart DiseasesMyocytes, CardiacArrhythmias, CardiacGenetic TestingDesminMitochondrial DiseasesDeath, Sudden, CardiacEndomyocardial FibrosisMutationHeart FailureHeart VentriclesCardiomegalySarcoglycansEchocardiographyTroponin TPhenotypeHeartMitochondria, HeartMagnetic Resonance Imaging, CinePedigreeMyosin Heavy ChainsMyocardial ContractionVentricular Dysfunction, LeftMutant ProteinsMyofibrilsSportsDisease Models, AnimalElectrocardiographyMutation, MissenseDystrophinFibrosisMyocardial IschemiaDiastoleDiabetic CardiomyopathiesHeart TransplantationCalciumVentricular Function, LeftContrast MediaMuscle ProteinsVentricular RemodelingBiopsyMice, TransgenicHypertrophy, Left VentricularGenetic Predisposition to DiseaseMagnetic Resonance ImagingStroke VolumeCase-Control StudiesDNA, MitochondrialPredictive Value of TestsCardiovascular DiseasesRisk FactorsPrognosisRetrospective StudiesInformation Storage and RetrievalTime FactorsCells, Cultured