Ventricular PressurePressureBlood PressureDiastoleHemodynamicsBlood Pressure DeterminationMyocardial ContractionHypertensionHeart RateSystoleDogsHeartHydrostatic PressureVentricular Function, LeftVentricular FunctionHeart VentriclesTransducers, PressureCoronary CirculationCardiac OutputBlood Pressure Monitoring, AmbulatoryKinetocardiographyVascular ResistanceVentricular Function, RightAntihypertensive AgentsPulsePulmonary ArteryMyocardiumCardiac CatheterizationIntracranial PressureIntraocular PressurePhonocardiographyPulmonary Wedge PressureCardiac VolumePerfusionHeart SoundsTime FactorsAir PressureAtmospheric PressureEchocardiographyElectrocardiographyModels, CardiovascularVenous PressureBlood Flow VelocityStroke VolumeCompliancePressoreceptorsEchocardiography, DopplerManometryCardiotonic AgentsVentricular Dysfunction, RightHypertension, PulmonaryAortaCardiomegalyMyocardial Reperfusion InjuryArterial PressurePerinephritisSympathetic Nervous SystemHeart FailureVenae CavaeVentricular Dysfunction, LeftRegional Blood FlowCardiac Pacing, ArtificialMyocardial IschemiaHypertrophy, Right VentricularRats, Sprague-DawleyPropranololMethyldopaElasticityBlood VolumeCoronary VesselsHypertrophy, Left VentricularPulmonary Valve StenosisOxygen ConsumptionDisease Models, AnimalCoronary DiseaseCentral Venous PressureNorepinephrineRats, WistarReninConstrictionAtrial RemodelingMonitoring, PhysiologicAnesthesiaArteriesVasodilator AgentsAdrenergic beta-AntagonistsProspective StudiesRandom AllocationSphygmomanometersBaroreflexAnalysis of VarianceBlood Pressure MonitorsPostureDose-Response Relationship, DrugSwineHypotensionMitral ValveVentricular RemodelingBody WeightIsoproterenol