Sympathectomy3-IodobenzylguanidineGanglionectomyDenervationAutonomic Nervous System DiseasesSympathetic Nervous SystemIodobenzenesHeartMuscle DenervationPressoreceptorsAutonomic DenervationTachycardia, VentricularCarotid SinusIodine RadioisotopesSympathectomy, ChemicalStellate GanglionBlood PressureEphedrineShy-Drager SyndromeHeart RateNorepinephrineDogsSympatholyticsAtrial RemodelingReflexAdrenergic FibersHyperhidrosisCatecholaminesRenal ArteryKidneyBaroreflexVagus NerveHypertensionTyramineChemoreceptor CellsMyocytes, CardiacOxidopamineAutonomic Nervous SystemCatheter AblationTime FactorsVagotomyParasympathetic Nervous SystemCardiac OutputRats, Inbred StrainsHemodynamicsRadiopharmaceuticalsRegional Blood FlowParasympathectomyRats, Sprague-DawleyAfferent PathwaysCarotid BodyMyocardiumLong QT SyndromeVascular ResistanceTripelennamineNeurons, EfferentMusclesParkinson DiseaseGlossopharyngeal NerveCerebral ArteriesNerve FibersThallium RadioisotopesPhenylephrineMuscular AtrophySolitary NucleusAorta, ThoracicRecurrent Laryngeal NerveCatsElectric StimulationAortaRespirationSinus of ValsalvaArrhythmias, CardiacPressureCarbon RadioisotopesMuscle, SkeletalSodium CyanideAction PotentialsEfferent PathwaysCardiac Surgical Procedures