DenervationSympathectomyAutonomic DenervationCatheter AblationMuscle DenervationKidneyRadio WavesSympathetic Nervous SystemNatriuresisDiuresisBlood PressurePulsed Radiofrequency TreatmentSympathectomy, ChemicalRenal CirculationHypertensionReninNeurons, EfferentRenal ArteryTeprotideHypertension, RenalNorepinephrineTreatment OutcomeElectrocoagulationTachycardia, Atrioventricular Nodal ReentryGlomerular Filtration RateSodiumRats, Inbred SHRDogsTime FactorsRats, Sprague-DawleyWater-Electrolyte BalanceElectrophysiologic Techniques, CardiacTachycardia, SupraventricularAtrial FlutterDrug ResistanceHeart RateHemodynamicsWolff-Parkinson-White SyndromeAtrial FibrillationPulmonary VeinsRenin-Angiotensin SystemCryosurgeryAtrioventricular NodeHeart Conduction SystemAntihypertensive AgentsElectrocardiographyElectrodesOsteoma, OsteoidRegional Blood FlowUrineRats, WistarVascular ResistanceAngiotensin IILiver NeoplasmsTachycardia, Ectopic AtrialTachycardia, VentricularDisease Models, AnimalRats, Inbred StrainsHeart AtriaMicrowavesFluoroscopyFollow-Up StudiesBody Surface Potential MappingParasympathectomyZygapophyseal JointRadiography, InterventionalEquipment DesignVentricular Premature ComplexesTachycardia, ParoxysmalSurgery, Computer-AssistedDiathermyRecurrenceCarcinoma, HepatocellularUltrasonography, InterventionalThermal ConductivityHeart BlockTachycardiaTomography, X-Ray ComputedCardiac CathetersBurns, ElectricMuscular AtrophyCardiac Pacing, ArtificialPre-Excitation, Mahaim-TypeGanglionectomyFeasibility StudiesElectromagnetic FieldsChemoembolization, TherapeuticMusclesTachycardia, Sinoatrial Nodal ReentryCathetersHyperthermia, InducedMagnetic Resonance ImagingTachycardia, Ectopic JunctionalNerve BlockAblation TechniquesPost-Traumatic HeadacheRetrospective StudiesPressoreceptorsArrhythmias, CardiacTrigeminal Neuralgia