Oxygen ConsumptionOxygenCoronary CirculationMyocardiumDogsHemodynamicsHeartMyocardial ContractionHeart RateEnergy MetabolismCardiac OutputDobutamineBlood PressureCoronary VesselsLactic AcidLactatesPrenylamineVascular ResistanceCardiotonic AgentsPhysical ExertionIsothiuroniumVentricular Function, LeftVentricular FunctionCarbon RadioisotopesAdenosineMyocardial StunningCardiac Pacing, ArtificialTomography, Emission-ComputedAcetatesMyocardial IschemiaExtracorporeal CirculationPerfusionReactive Oxygen SpeciesPropranololHeart VentriclesCarbon DioxideStroke VolumeVeratrineNitric OxideHeart Arrest, InducedCalcium ChlorideRegional Blood FlowGlucoseMitochondria, HeartPhosphocreatineCoronary DiseaseVentricular PressureHyperemiaHeart FailureNorepinephrineTime FactorsHalothaneAdrenergic beta-AntagonistsVasodilator AgentsSwineCardiomyopathy, DilatedAnesthesiaPartial PressureAngina PectorisIsoproterenolDose-Response Relationship, DrugVasodilationBlood Flow VelocityDepression, ChemicalAdenosine TriphosphateNitroglycerinModels, CardiovascularPhysical Conditioning, AnimalCitric Acid CycleMyocardial ReperfusionExercise TestBradykininTheophyllineFatty AcidsAdrenergic beta-AgonistsDiastolePeripheral NervesFatty Acids, NonesterifiedNitroarginineEnzyme InhibitorsSystoleNitric Oxide SynthaseIsofluraneNG-Nitroarginine Methyl EsterEchocardiographyMyocardial Reperfusion InjuryElectrocardiographyAlcohol DrinkingBlood VolumeRabbitsCardiomegalyOxidation-ReductionBlood Gas AnalysisMagnetic Resonance SpectroscopyGuinea PigsDisease Models, AnimalExerciseMitochondriaVentricular Dysfunction, LeftOxygen Inhalation Therapy