CardiomyopathiesHeart DiseasesAmyloidosisHeart NeoplasmsSarcoidosisChurg-Strauss SyndromeEchocardiographyPericarditisHypereosinophilic SyndromeElectrocardiographyMyocytes, CardiacHeartAmyloidosis, FamilialMyocarditisArrhythmias, CardiacMagnetic Resonance Imaging, CineMyotonic DystrophyMuscular DystrophiesMuscular Dystrophy, Emery-DreifussMyocardiumScleroderma, SystemicChagas CardiomyopathyFabry DiseaseAtrioventricular BlockErdheim-Chester DiseaseCardiomyopathy, DilatedWegener GranulomatosisCardiac OutputMucopolysaccharidosesFatal OutcomeImmunoglobulin Light ChainsEchocardiography, DopplerVentricular Function, LeftHeart BlockAmyloid Neuropathies, FamilialHeart VentriclesMuscular Dystrophy, DuchenneCardiac Surgical ProceduresPericardial EffusionVentricular Dysfunction, LeftDeath, Sudden, CardiacStroke VolumeHeart Valve DiseasesHeart Conduction SystemBehcet SyndromeHeart FailureHeart AtriaMagnetic Resonance ImagingBiopsyRetrospective StudiesTreatment OutcomeTime FactorsMelphalanGadolinium DTPACardiomyopathy, HypertrophicPrednisoloneHypertrophy, Left VentricularPredictive Value of TestsFollow-Up StudiesCardiomegalyCardiac TamponadeProspective StudiesCardiac Pacing, ArtificialPrognosisMitral Valve InsufficiencySeverity of Illness IndexCardiac CatheterizationTomography, X-Ray ComputedMyocardial ContractionBiological MarkersContrast MediaRadiopharmaceuticalsHeart ArrestMutationDisease ProgressionCase-Control StudiesRisk FactorsPedigreeMyoblasts, CardiacLupus Erythematosus, SystemicCyclophosphamideCardiac MyosinsCardiac Imaging TechniquesHeart RateCardiac GlycosidesHemodynamicsCardiac Output, LowOut-of-Hospital Cardiac ArrestMyocardial InfarctionCells, CulturedCardiac VolumeVentricular RemodelingHeart TransplantationTroponin IRats, Sprague-DawleyCalciumHeart Defects, CongenitalBlood PressureDogsSignal Transduction