Oxygen ConsumptionOxygenHeartHeart RateReactive Oxygen SpeciesEnergy MetabolismHeart FailureMyocardiumExercise TestHeart DiseasesAlcohol DrinkingHemodynamicsHeart Defects, CongenitalHeart TransplantationExerciseTime FactorsPhysical ExertionPartial PressureCarbon DioxideLactic AcidMitochondriaOxidation-ReductionDogsOxygen Inhalation TherapyLactatesPolarographyBody Temperature RegulationMyocardial ContractionCell RespirationPerfusionDietSinglet OxygenRespirationAnoxiaFetal HeartGlucoseBody TemperatureCardiac OutputExercise ToleranceCoronary CirculationAdenosine TriphosphateIon-Selective ElectrodesPulmonary Gas ExchangeBody WeightMuscle, SkeletalHeart ValvesOxidative PhosphorylationRisk FactorsPhysical EnduranceHeart AtriaRegional Blood FlowRats, WistarGlycolysisOxygen IsotopesBasal MetabolismEthanolMyocardial IschemiaOxidative StressAnaerobic ThresholdBlood PressureStroke VolumeProspective StudiesBlood Gas AnalysisVentricular Function, LeftBeveragesHeart Arrest, InducedRats, Sprague-DawleyOximetryDose-Response Relationship, DrugVegetablesEatingHeart Function TestsCoffeeHydrogen PeroxidePhysical FitnessKineticsRunningFruitAerobiosisHeart BlockHemoglobinsShiveringCardiotonic AgentsCoronary DiseaseCalorimetry, IndirectNitric OxideVascular ResistanceAntioxidantsModels, BiologicalPhosphocreatineOxyhemoglobinsAlcoholic BeveragesCardiac Output, LowCold TemperatureFishesCardiomyopathy, DilatedMitochondria, MuscleUncoupling AgentsEnergy IntakeMyocytes, Cardiac