Oxygen ConsumptionOxygenCoronary CirculationMyocardiumDogsHemodynamicsHeartMyocardial ContractionHeart RateEnergy MetabolismCardiac OutputDobutamineCoronary VesselsBlood PressureDNA Mismatch RepairLactatesLactic AcidPrenylamineVascular ResistanceCardiotonic AgentsPhysical ExertionIsothiuroniumVentricular Function, LeftVentricular FunctionCarbon RadioisotopesAdenosineMyocardial StunningCardiac Pacing, ArtificialTomography, Emission-ComputedAcetatesMyocardial IschemiaPerfusionExtracorporeal CirculationReactive Oxygen SpeciesPropranololHeart VentriclesCarbon DioxideStroke VolumeVeratrineHeart Arrest, InducedNitric OxideCalcium ChlorideMitochondria, HeartGlucosePhosphocreatineCoronary DiseaseRegional Blood FlowVentricular PressureHeart FailureHyperemiaHalothaneNorepinephrineAdrenergic beta-AntagonistsCardiomyopathy, DilatedTime FactorsVasodilator AgentsSwinePartial PressureAnesthesiaAdenosine TriphosphateAngina PectorisIsoproterenolVasodilationDepression, ChemicalBlood Flow VelocityModels, CardiovascularNitroglycerinMyocardial ReperfusionCitric Acid CycleDose-Response Relationship, DrugPhysical Conditioning, AnimalExercise TestMutS Homolog 2 ProteinBradykininMutS DNA Mismatch-Binding ProteinTheophyllineFatty AcidsDiastoleAdrenergic beta-AgonistsNitroarginineFatty Acids, NonesterifiedNucleic Acid HeteroduplexesSystoleEnzyme InhibitorsEchocardiographyNitric Oxide SynthaseIsofluraneMyocardial Reperfusion InjuryNG-Nitroarginine Methyl EsterElectrocardiographyDNA RepairAlcohol DrinkingMagnetic Resonance SpectroscopyOxidation-ReductionCardiomegalyBlood VolumeBlood Gas AnalysisRabbitsVentricular Dysfunction, LeftGuinea Pigs