Blood PressurePressureBlood Pressure DeterminationHypertensionHeart RateArterial PressureHemodynamicsDiastoleHydrostatic PressureVascular ResistanceVentricular PressureSystoleBlood Pressure Monitoring, AmbulatoryAntihypertensive AgentsCardiac OutputDogsIntracranial PressurePulseSympathetic Nervous SystemBaroreflexPressoreceptorsTransducers, PressureIntraocular PressureHypotensionVenous PressureRegional Blood FlowPulmonary Wedge PressureAtmospheric PressureHeartTime FactorsReninAir PressureCentral Venous PressureBlood Flow VelocityBlood Pressure MonitorsArteriesMyocardial ContractionVentricular Function, LeftPulmonary ArteryPerinephritisRats, Sprague-DawleyCoronary CirculationComplianceNorepinephrineAortaPostureMethyldopaKidneyBlood VolumePulsatile FlowHeart VentriclesAngiotensin IIRespirationManometryCardiac CatheterizationRats, Inbred SHRMonitoring, PhysiologicModels, CardiovascularSphygmomanometersRenal CirculationMyocardiumReflexElectrocardiographyAnalysis of VarianceDose-Response Relationship, DrugProspective StudiesCardiovascular SystemVasodilator AgentsNitroprussideDenervationHeart FailureAtenololRats, WistarAngiotensin-Converting Enzyme InhibitorsEchocardiographyPhenylephrineVasoconstrictor AgentsRadial ArteryDouble-Blind MethodRandom AllocationPerfusionCarotid SinusVentricular FunctionPhysical ExertionHypertrophy, Left VentricularOsmotic PressurePropranololDisease Models, AnimalReference ValuesBody WeightValsalva ManeuverElasticityHypertension, PulmonaryEchocardiography, DopplerNatriuresisVasoconstrictionSodiumCaptoprilAdrenergic beta-AntagonistsCoronary Disease