Magnetic Resonance ImagingMagnetic Resonance Imaging, CineEchocardiographyMagnetic Resonance SpectroscopyMagnetic Resonance AngiographyContrast MediaVentricular Function, LeftHeart VentriclesGadolinium DTPAStroke VolumeEchocardiography, DopplerGadoliniumVentricular Dysfunction, LeftEdema, CardiacPredictive Value of TestsCardiomyopathiesEchocardiography, Three-DimensionalMyocardiumHeart DiseasesVentricular Function, RightElectrocardiographyVentricular Dysfunction, RightMyocardial Perfusion ImagingCardiac Imaging TechniquesMyocardial InfarctionImage Interpretation, Computer-AssistedReproducibility of ResultsHeartVentricular RemodelingObserver VariationCardiac VolumeHypertrophy, Left VentricularProspective StudiesCardiomyopathy, HypertrophicImage EnhancementEchocardiography, Doppler, ColorMitral ValveMyocardial ContractionCardiac CatheterizationSensitivity and SpecificitySystoleTime FactorsMyocytes, CardiacEchocardiography, TransesophagealDiastoleCardiac-Gated Imaging TechniquesHeart Defects, CongenitalHeart FailureCardiac Surgical ProceduresCicatrixTreatment OutcomeMyocarditisFollow-Up StudiesImage Processing, Computer-AssistedMitral Valve InsufficiencyHeart AtriaCardiac OutputSeverity of Illness IndexImaging, Three-DimensionalFibrosisDeath, Sudden, CardiacIsolated Noncompaction of the Ventricular MyocardiumHemodynamicsTissue SurvivalArrhythmias, CardiacCoronary CirculationMyocardial IschemiaVentricular DysfunctionOrganometallic CompoundsEchocardiography, Doppler, PulsedPrognosisMeglumineHeart NeoplasmsCoronary AngiographyRetrospective StudiesCoronary Artery DiseaseCardiomyopathy, DilatedChi-Square DistributionDobutamineAtrial Function, LeftRisk AssessmentFeasibility StudiesHeart Function TestsTorsion, MechanicalExercise TestEndomyocardial FibrosisTomography, X-Ray ComputedTetralogy of FallotPericardiumLinear ModelsRisk FactorsPulmonary Valve InsufficiencyBlood Flow VelocityCardiac Resynchronization TherapyBrainCardiac Pacing, ArtificialTakotsubo CardiomyopathyDiffusion Magnetic Resonance ImagingMitral Valve ProlapseHypertension, Pulmonary