Magnetic Resonance SpectroscopyMagnetic Resonance ImagingMagnetic Resonance Imaging, CineMagnetic Resonance AngiographyContrast MediaGadolinium DTPACreatineGadoliniumPhosphocreatinePredictive Value of TestsCholineAspartic AcidProtonsElectron Spin Resonance SpectroscopyNuclear Magnetic Resonance, BiomolecularImage Interpretation, Computer-AssistedReproducibility of ResultsBrainEdema, CardiacMyocardial Perfusion ImagingPhosphorusCardiac Imaging TechniquesVentricular Function, LeftMyocardiumStroke VolumeObserver VariationInositolTime FactorsImage EnhancementOrganometallic CompoundsImaging, Three-DimensionalPhosphorus IsotopesSensitivity and SpecificityMeglumineCardiomyopathiesCardiac-Gated Imaging TechniquesMagnetic Resonance Imaging, InterventionalDiffusion Magnetic Resonance ImagingCarbon IsotopesImage Processing, Computer-AssistedVentricular Function, RightBreath HoldingFluorineAutomation, LaboratoryEnergy MetabolismArtifactsFeasibility StudiesProspective StudiesHeart VentriclesVentricular Dysfunction, LeftPhosphatesBrain MappingSeverity of Illness IndexHydrogen-Ion ConcentrationSurface Plasmon ResonanceDiagnostic Techniques, CardiovascularBrain ChemistryGlutamineLactic AcidCoronary CirculationGlutamic AcidReference ValuesSpectroscopy, Near-InfraredProtein ConformationModels, MolecularOxygenAlgorithmsFibrosisSpectrum AnalysisHeart DiseasesPhosphorylcholineMyocardial InfarctionHypertrophy, Left VentricularCase-Control StudiesLinear ModelsCardiomyopathy, HypertrophicHydrogenTetralogy of FallotAdenosine TriphosphateTomography, X-Ray ComputedTreatment OutcomeMuscle, SkeletalPhantoms, ImagingPulmonary Valve InsufficiencyBrain DiseasesSpectrophotometry, InfraredMyocardial IschemiaSolid Phase ExtractionTorsion, MechanicalHealthy VolunteersBrain NeoplasmsHeterocyclic CompoundsDeuteriumSolutionsSpin LabelsMolecular Sequence DataCicatrixGyrus CinguliVentricular Dysfunction, RightEchocardiography