SystoleBlood PressurePressureAortaHemodynamicsDogsBlood Pressure DeterminationDiastolePulseVascular ResistanceCoronary CirculationPulsatile FlowHeart RateArterial PressureModels, CardiovascularBlood Flow VelocityTransducers, PressureHydrostatic PressureMyocardial ContractionHeartRadial ArteryCardiac OutputVentricular PressureHypertensionVentricular Function, LeftHeart VentriclesComplianceVentricular FunctionCardiac CatheterizationElasticityCardiac VolumeArteriesBlood CirculationEchocardiographyBrachial ArteryMetaraminolNitroglycerinEchocardiography, DopplerAorta, ThoracicRegional Blood FlowStroke VolumeAortic Valve StenosisCoronary VesselsIntracranial PressureMyocardiumOphthalmodynamometryCarotid SinusIntraocular PressureElectrocardiographyPerfusionCollateral CirculationBlood Pressure Monitoring, AmbulatoryHyperemiaCounterpulsationTime FactorsAntihypertensive AgentsMitral ValveVasodilator AgentsManometryAir PressureAtmospheric PressurePressoreceptorsVenous PressureBlood VolumeCoronary DiseaseAnesthesiaKinetocardiographyConstrictionPulmonary ArteryVentricular Dysfunction, LeftHypotensionOxygen ConsumptionAortic ValveReproducibility of ResultsCardiomegalyCardiac Pacing, ArtificialValsalva ManeuverCarotid ArteriesSignal Processing, Computer-AssistedProspective StudiesVascular StiffnessAtrial Function, LeftPropranololAtenololNitroprussideCatheterizationFractional Flow Reserve, MyocardialFemoral ArteryConsciousnessSympathetic Nervous SystemPulmonary CirculationDobutamineCentral Venous PressureVasodilationSwinePulmonary Wedge PressureAdenosineHeart AuscultationMitral Valve InsufficiencyReflex