Myocardial IschemiaMyocardial Reperfusion InjuryIschemiaElectrocardiographyCoronary DiseaseMyocardiumAcute DiseaseMyocardial InfarctionCreatine KinaseCoronary CirculationDogsArrhythmias, CardiacVentricular FibrillationMyocardial ReperfusionHemodynamicsHeartBrain IschemiaCardiotonic AgentsHeart RateAnti-Arrhythmia AgentsVentricular Function, LeftAngina PectorisCoronary VesselsTime FactorsHeart Conduction SystemMyocardial ContractionDisease Models, AnimalSwineHeart VentriclesRats, Sprague-DawleyBlood PressureReperfusion InjuryExercise TestAction PotentialsIschemic Preconditioning, MyocardialElectrocardiography, AmbulatoryCoronary AngiographyTomography, Emission-Computed, Single-PhotonReperfusionMyocardial Perfusion ImagingIschemic PreconditioningIschemic Attack, TransientRats, WistarWarm IschemiaDipyridamoleMyocardial StunningPerfusionThallium RadioisotopesAdenosineCoronary Artery DiseaseCollateral CirculationDobutamineMyocytes, CardiacIntraoperative ComplicationsVasodilator AgentsChest PainEchocardiographyCold IschemiaEchocardiography, StressTroponin IRabbitsIschemic PostconditioningGerbillinaeSpinal Cord IschemiaTroponin TMitochondria, HeartNitroglycerinAnesthesiaLactic AcidCoronary StenosisAngina, UnstableCardiovascular AgentsProspective StudiesSwine, MiniaturePredictive Value of TestsHeart Function TestsRandom AllocationNecrosisConstrictionAngina Pectoris, VariantCoronary Vessel AnomaliesNeuroprotective AgentsLactatesL-Lactate DehydrogenaseBiological MarkersVentricular Dysfunction, LeftInfarction, Middle Cerebral ArteryMice, Inbred C57BLPeroxidaseCoronary VasospasmAdenosine TriphosphateAdrenergic beta-AntagonistsCoronary Artery BypassApoptosisMicrovascular AnginaOxygen ConsumptionErgonovineDiltiazemRisk FactorsPhosphocreatine