Blood PressurePressureBlood Pressure DeterminationHypertensionBlood Pressure Monitoring, AmbulatoryHeart RateAntihypertensive AgentsHydrostatic PressureBlood Pressure MonitorsSystoleHemodynamicsHypotensionDiastoleIntraocular PressureIntracranial PressureVascular ResistanceArterial PressureReninRats, Inbred SHRPulseTransducers, PressureTime FactorsBaroreflexVenous PressureKidneySphygmomanometersCircadian RhythmAtmospheric PressureSympathetic Nervous SystemCardiovascular SystemRegional Blood FlowAir PressureProspective StudiesHypertension, RenalCardiovascular DiseasesSodium Chloride, DietaryRisk FactorsVentricular PressureRats, Inbred WKYAngiotensin IIDiet, Sodium-RestrictedAngiotensin-Converting Enzyme InhibitorsCentral Venous PressureSodium, DietaryPressoreceptorsBody WeightBody Mass IndexFollow-Up StudiesRenin-Angiotensin SystemNorepinephrineDogsRats, Sprague-DawleyDouble-Blind MethodArteriesHydrochlorothiazideCardiac OutputAnalysis of VarianceReference ValuesBlood Flow VelocityCross-Sectional StudiesPulmonary Wedge PressureTelemetryCardiovascular Physiological PhenomenaPostureRegression AnalysisAldosteroneTreatment OutcomeHypertrophy, Left VentricularComplianceDose-Response Relationship, DrugHypotension, OrthostaticAortaTetrazolesAge FactorsCohort StudiesVasoconstrictor AgentsVasoconstrictionAutonomic Nervous SystemHypertension, RenovascularAmlodipinePhenylephrineSodiumRenal CirculationOxygenCaptoprilVasodilationMonitoring, PhysiologicObesityRespirationCross-Over StudiesReflexHeartLinear ModelsLower Body Negative PressureAfrican Continental Ancestry GroupVasodilator AgentsSodium ChlorideManometrySex FactorsAnesthesia