Myocardial IschemiaIschemiaMyocardial Reperfusion InjuryBrain IschemiaElectrocardiographyMyocardiumCoronary DiseaseAcute DiseaseMyocardial InfarctionCoronary CirculationCreatine KinaseDogsArrhythmias, CardiacVentricular FibrillationMyocardial ReperfusionHemodynamicsHeartCardiotonic AgentsHeart RateVentricular Function, LeftTime FactorsAngina PectorisAnti-Arrhythmia AgentsCoronary VesselsDisease Models, AnimalReperfusion InjuryMyocardial ContractionRats, Sprague-DawleyHeart Conduction SystemSwineHeart VentriclesBlood PressureExercise TestIschemic Preconditioning, MyocardialReperfusionIschemic Attack, TransientWarm IschemiaAction PotentialsIschemic PreconditioningRats, WistarElectrocardiography, AmbulatoryCold IschemiaGerbillinaeSpinal Cord IschemiaCoronary AngiographyTomography, Emission-Computed, Single-PhotonPerfusionMyocardial Perfusion ImagingMyocardial StunningNeuroprotective AgentsInfarction, Middle Cerebral ArteryAdenosineCollateral CirculationDipyridamoleRabbitsMyocytes, CardiacIschemic PostconditioningCerebrovascular CirculationThallium RadioisotopesVasodilator AgentsMitochondria, HeartConstrictionCoronary Artery DiseaseCerebral InfarctionIntraoperative ComplicationsBrainHindlimbEchocardiography, StressNecrosisEchocardiographyChest PainLactic AcidTroponin IMice, Inbred C57BLRandom AllocationArterial Occlusive DiseasesLactatesProspective StudiesL-Lactate DehydrogenaseApoptosisDobutamineAdenosine TriphosphatePeroxidaseNitroglycerinTroponin TPhosphocreatineCardiovascular AgentsPredictive Value of TestsRegional Blood FlowAnesthesiaNeovascularization, PhysiologicSwine, MiniatureAngina, UnstableOxygenBiological MarkersHeart Function TestsOxygen ConsumptionNitric OxideMesenteric Vascular OcclusionCell Death