PropranololAdrenergic beta-AntagonistsPractololPropanolaminesPhentolamineIsoproterenolReceptors, Adrenergic, betaHeart RateNadololAtenololPindololAcebutololReceptors, AdrenergicSympatholyticsEpinephrineNorepinephrineMetoprololOxprenololBlood PressureAdrenergic beta-AgonistsAtropineAdrenergic alpha-AntagonistsPhenoxybenzamineDogsCatecholaminesLabetalolAdrenergic AntagonistsAmino AlcoholsReceptors, Adrenergic, alphaPhysical ExertionTremorPrazosinSympathomimeticsDose-Response Relationship, DrugStereoisomerismHemodynamicsDrug InteractionsAlprenololBetaxololSympathetic Nervous SystemPulseHemangiomaHemangioma, CapillaryAdrenergic AgonistsAdrenergic beta-2 Receptor AntagonistsPenbutololReserpineHeartGuinea PigsDelayed-Action PreparationsCarbimazoleAdrenergic alpha-AgonistsButoxamineEthanolaminesPlacebosPhenylephrineDepression, ChemicalClinical Trials as TopicHypertension, PortalDouble-Blind MethodLevobunololElectric StimulationMyocardial ContractionCeliprololTime FactorsCardiac OutputGuanethidineStimulation, Chemical