DobutamineAdrenergic beta-AgonistsCardiotonic AgentsReceptors, Adrenergic, betaIsoproterenolAdrenergic alpha-AgonistsEchocardiography, StressElectric StimulationPhenylephrineReceptors, Adrenergic, beta-3Myocardial ContractionNorepinephrineAdrenergic beta-1 Receptor AgonistsAdrenergic AgonistsReceptors, Adrenergic, alpha-1Stimulation, ChemicalReceptors, Adrenergic, alphaReceptors, AdrenergicSympathomimeticsHeartEpinephrineAdrenergic beta-AntagonistsAdrenergic AgentsReceptors, Adrenergic, beta-1Adrenergic alpha-1 Receptor AgonistsMyocardiumPropanolaminesCatecholaminesNadololDogsAdrenergic beta-1 Receptor AntagonistsAdipose Tissue, BrownEchocardiographyReceptors, Adrenergic, beta-2DioxolesHemodynamicsPropranololCyclic AMPCells, CulturedHeart RateAdrenergic alpha-AntagonistsExercise TestPrazosinMyocardial StunningAdrenergic beta-2 Receptor AntagonistsDose-Response Relationship, DrugCalciumDioxanesInterleukin-1betaEthanolaminesVentricular Function, LeftElectric Stimulation TherapyRats, Sprague-DawleyTime FactorsMyocardial IschemiaClonidineSympathetic Nervous SystemHydrazonesHeart VentriclesVentricular Dysfunction, LeftSignal TransductionMyocytes, CardiacCoronary DiseaseElectrocardiographyCyclic AMP-Dependent Protein KinasesCoronary CirculationPhosphorylationPineal Glandbeta 2-MicroglobulinBlood PressurePhysical StimulationDeep Brain StimulationRNA, MessengerColforsinTissue SurvivalTomography, Emission-Computed, Single-PhotonThallium RadioisotopesKineticsRats, WistarMilrinoneAmrinoneTechnetium Tc 99m SestamibiSensitivity and Specificity8-Bromo Cyclic Adenosine MonophosphateTranscranial Magnetic StimulationAtropineCoronary AngiographyReceptors, Adrenergic, alpha-2VasopressinsHeart FailurePhentolamineCalcium Channels, L-TypePredictive Value of TestsDipyridamoleCardiomegalyAdrenergic alpha-1 Receptor AntagonistsPyridazinesStroke VolumeIntegrin beta3Gene Expression Regulation