SwineHeartMyocardiumHeart ValvesMalate DehydrogenaseTachycardia, Sinoatrial Nodal ReentrySwine, MiniatureMitochondria, HeartHeart RateSus scrofaPericardiumNADMyocardial IschemiaCoronary CirculationCoronary VesselsHeart FailureKineticsHeart VentriclesHeart DiseasesHeart TransplantationHeart Defects, CongenitalFetal HeartHeart AtriaHeart BlockHeart Arrest, InducedHeart Function TestsMyocardial ContractionMyocytes, CardiacCoronary DiseaseHemodynamicsCardiac Output, LowVentricular Function, LeftTime FactorsHeart, ArtificialHeart Failure, SystolicPerfusionCardiomyopathy, DilatedCardiomegalyMyocardial InfarctionHeart InjuriesHeart Rate, FetalHeart SeptumCardiotonic AgentsRheumatic Heart DiseaseStroke VolumeCardiomyopathiesEchocardiographyMyocardial Reperfusion InjuryHeart ArrestRisk FactorsHeart Valve ProsthesisVentricular Dysfunction, LeftAdrenergic beta-AntagonistsHeart Failure, DiastolicAmerican Heart AssociationVentricular RemodelingDogsProspective StudiesOxygen ConsumptionFollow-Up StudiesAutonomic Nervous SystemCardiac Pacing, ArtificialHeart Septal DefectsHypoplastic Left Heart SyndromeHeart NeoplasmsRats, Sprague-DawleyChronic DiseaseNational Heart, Lung, and Blood Institute (U.S.)Natriuretic Peptide, BrainDisease Models, AnimalRats, WistarVentricular PressureTreatment OutcomeExercise TestSympathetic Nervous SystemModels, CardiovascularSystoleEndocardiumDiastoleIsoproterenolPropanolaminesHeart Septal Defects, VentricularBiological MarkersIschemic Preconditioning, MyocardialRabbitsMyocarditisHeart-Assist DevicesCalciumElectrocardiography, AmbulatoryCardiovascular DiseasesNorepinephrinePrognosisPredictive Value of TestsCohort StudiesAnti-Arrhythmia AgentsRisk AssessmentRetrospective StudiesRNA, MessengerHypertrophy, Left VentricularMyocardial Reperfusion