Ischemic PreconditioningIschemic Preconditioning, MyocardialMyocardiumIschemiaMyocardial IschemiaBrain IschemiaHeartMyocardial Reperfusion InjuryMyocardial StunningReperfusion InjuryMyocardial ContractionMyocardial InfarctionCoronary CirculationDogsMyocardial ReperfusionHeart VentriclesTime FactorsDisease Models, AnimalReperfusionIschemic Attack, TransientRats, Sprague-DawleyMyocytes, CardiacWarm IschemiaRats, WistarCardiotonic AgentsHemodynamicsCoronary DiseaseCold IschemiaPerfusionVentricular Function, LeftGerbillinaeSpinal Cord IschemiaCoronary VesselsElectrocardiographyPericardiumSwineTissue SurvivalNeuroprotective AgentsMitochondria, HeartVentricular RemodelingCardiomyopathiesEchocardiographyInfarction, Middle Cerebral ArteryRabbitsCreatine KinaseTomography, Emission-Computed, Single-PhotonNecrosisVentricular FunctionCerebrovascular CirculationCollateral CirculationConstrictionArrhythmias, CardiacVentricular Dysfunction, LeftBrainHeart RateNeovascularization, PhysiologicHindlimbCardiomegalyCalciumCerebral InfarctionPhosphocreatineBlood PressureMice, Inbred C57BLAdenosineHeart AtriaImmunohistochemistryIodobenzenesIschemic Postconditioning