Blood PressurePressureBlood Pressure DeterminationHypertensionBlood Pressure Monitoring, AmbulatoryHeart RateAntihypertensive AgentsHydrostatic PressureBlood Pressure MonitorsSystoleHemodynamicsDiastoleTime FactorsHypotensionIntracranial PressureIntraocular PressureReninRats, Inbred SHRArterial PressurePulseTransducers, PressureVascular ResistanceLength of StayCircadian RhythmSympathetic Nervous SystemKidneyVenous PressureAtmospheric PressureProspective StudiesAir PressureSphygmomanometersRisk FactorsCardiovascular DiseasesCardiovascular SystemHypertension, RenalBaroreflexSodium Chloride, DietaryBody WeightRats, Inbred WKYDiet, Sodium-RestrictedBody Mass IndexSodium, DietaryVentricular PressureRegional Blood FlowFollow-Up StudiesAngiotensin IIAngiotensin-Converting Enzyme InhibitorsCardiac OutputAnalysis of VarianceRenin-Angiotensin SystemReference ValuesPressoreceptorsCentral Venous PressureCross-Sectional StudiesRegression AnalysisDouble-Blind MethodNorepinephrineDogsRats, Sprague-DawleyHydrochlorothiazideArteriesAge FactorsTreatment OutcomeCohort StudiesTelemetryBlood Flow VelocityAldosteronePostureCardiovascular Physiological PhenomenaPulmonary Wedge PressureHypertrophy, Left VentricularDose-Response Relationship, DrugLinear ModelsAortaSodiumObesityAfrican Continental Ancestry GroupHypertension, RenovascularSex FactorsAutonomic Nervous SystemAgingPolymorphism, Restriction Fragment LengthCaptoprilTetrazolesSodium ChlorideMonitoring, PhysiologicHypotension, OrthostaticComplianceHeartCross-Over StudiesVasoconstrictor AgentsNatriuresisBlood GlucoseAmlodipinePhenylephrineAtenololVasodilationVasoconstrictionRenal CirculationRespiration