Ventricular Function, LeftSpin LabelsVentricular Dysfunction, LeftAffinity LabelsHypertrophy, Left VentricularAtrial Function, LeftHeart VentriclesEchocardiographyProduct LabelingStroke VolumeHeart AtriaDrug LabelingMyocardial ContractionHeartTime FactorsDiastoleMyocardiumHemodynamicsElectrocardiographyDogsVentricular RemodelingElectron Spin Resonance SpectroscopySystoleHeart FailureFunctional LateralityHypoplastic Left Heart SyndromeTreatment OutcomeMyocardial InfarctionCoronary CirculationCardiac VolumeBlood PressureVentricular FunctionVentricular PressurePhotoaffinity LabelsHeart AneurysmFluorescent DyesCardiomyopathy, DilatedTritiumFollow-Up StudiesIsotope LabelingMitral ValveCardiac CatheterizationCoronary VesselsCardiac Pacing, ArtificialHeart-Assist DevicesTomography, X-Ray ComputedKineticsHeart RateCardiomyopathiesImage Processing, Computer-AssistedStaining and LabelingEchocardiography, TransesophagealAzidesProspective StudiesAutoradiographyAtrial FibrillationBrainCoronary AngiographyCoronary Vessel AnomaliesHeart SeptumAnalysis of VarianceCardiomyopathy, HypertrophicHeart DiseasesPulmonary VeinsBrain MappingMyocardial IschemiaAtrial AppendagePericardiumEchocardiography, Doppler, ColorCardiac OutputCarbon IsotopesPredictive Value of TestsCarbon RadioisotopesSensitivity and SpecificityCyclic N-OxidesBlood Flow VelocityBundle-Branch BlockCoronary DiseaseRabbitsEndocardiumHeart Function TestsDominance, CerebralHypertensionOrgan SizeDisease Models, AnimalRetrospective StudiesGated Blood-Pool ImagingAngiocardiographyAortic Valve StenosisCardiac Surgical ProceduresCardiotonic AgentsCineangiographyProduct PackagingReference ValuesPhotochemistryHeart Conduction SystemRats, Sprague-DawleySubclavian ArteryTemporal LobeVentricular Function, Right