Cell HypoxiaAnoxiaOxygenReperfusion InjuryMyocardial Reperfusion InjuryL-Lactate DehydrogenaseHypoxia, BrainMyocardiumCells, CulturedMyocytes, CardiacReactive Oxygen SpeciesCell SurvivalFree Radical ScavengersMitochondria, HeartFree RadicalsRats, Sprague-DawleyOxygen ConsumptionIschemic Preconditioning, MyocardialCell DeathOxidative StressAdenosine TriphosphateRats, WistarDecanoic AcidsHydroxy AcidsBenzophenanthridinesPhenanthridinesSodium CyanideTime FactorsApoptosisMembrane Potential, MitochondrialMitochondriaHeartAnimals, NewbornCytoprotectionCalciumClonazepamMyocardial ContractionNitric OxideSuperoxide DismutaseOxidantsEndothelium, VascularReperfusionEnzyme InhibitorsMyocardial IschemiaIschemic PreconditioningIschemiaHypoxia-Inducible Factor 1, alpha SubunitKidney Tubules, ProximalAerobiosisAmnesia, AnterogradeHypoxia-Ischemia, BrainHydrogen PeroxideCell RespirationCardiotonic AgentsFormazansPenicillamineS-Nitroso-N-AcetylpenicillamineHydroxyl RadicalPapillary MusclesNecrosisRadiobiologyBlotting, WesternXanthine OxidaseXanthinesDeferoxamineAurintricarboxylic AcidEnzyme ActivationAmino Acid Chloromethyl KetonesHypoxia-Inducible Factor 1DiazoxideSuperoxidesCreatine KinaseElectron Probe MicroanalysisSignal TransductionPartial PressureAdenosineCaspase 3Caspase InhibitorsCytosolOxidation-ReductionMitochondrial Membrane Transport ProteinsHydroxidesAntioxidantsEndothelial CellsEnergy MetabolismTetrazolium SaltsHypoventilationHepatocytesAllopurinolLipid PeroxidationMyocardial ReperfusionGlucoseNeuroprotective AgentsXanthineKetoglutaric AcidsPotassium ChannelsHyperoxiaUncoupling AgentsSodium-Calcium ExchangerCell Membrane Permeability