Oxygen ConsumptionOxygenCoronary CirculationMyocardiumDogsHemodynamicsHeartMyocardial ContractionHeart RateEnergy MetabolismCardiac OutputDobutamineCoronary VesselsBlood PressureLactatesLactic AcidPrenylamineVascular ResistanceCardiotonic AgentsPhysical ExertionIsothiuroniumVentricular Function, LeftCarbon RadioisotopesVentricular FunctionAdenosineMyocardial StunningCardiac Pacing, ArtificialTomography, Emission-ComputedAcetatesMyocardial IschemiaPerfusionExtracorporeal CirculationGlucoseCarbon DioxideReactive Oxygen SpeciesPropranololHeart VentriclesVeratrineHeart Arrest, InducedStroke VolumeNitric OxideCalcium ChlorideMitochondria, HeartPhosphocreatineCoronary DiseaseRegional Blood FlowVentricular PressureHeart FailureHalothaneHyperemiaNorepinephrineAdrenergic beta-AntagonistsSwineCardiomyopathy, DilatedVasodilator AgentsTime FactorsAnesthesiaPartial PressureAngina PectorisAdenosine TriphosphateIsoproterenolCitric Acid CycleDepression, ChemicalVasodilationBlood Flow VelocityNitroglycerinPhysical Conditioning, AnimalMyocardial ReperfusionModels, CardiovascularDose-Response Relationship, DrugFatty AcidsExercise TestBradykininTheophyllineFatty Acids, NonesterifiedAdrenergic beta-AgonistsDiastoleNitroarginineSystoleEnzyme InhibitorsNitric Oxide SynthaseIsofluraneEchocardiographyMyocardial Reperfusion InjuryNG-Nitroarginine Methyl EsterElectrocardiographyOxidation-ReductionAlcohol DrinkingCardiomegalyMagnetic Resonance SpectroscopyBlood VolumeBlood Gas AnalysisRabbitsGuinea PigsExerciseMitochondriaVentricular Dysfunction, LeftOxygen Inhalation TherapyPolarographyDisease Models, Animal