PressureVentricular PressureBlood PressurePerfusionHemodynamicsDogsIntracranial PressureVentricular Function, LeftHydrostatic PressureMyocardial ContractionCoronary CirculationHeartHeart RateVascular ResistanceVentricular FunctionIntraocular PressureDiastolePerfusion ImagingHeart VentriclesTransducers, PressureBlood Pressure DeterminationHypertensionRegional Blood FlowSystoleCardiac OutputMyocardiumBlood Flow VelocityVenous PressureVentricular Function, RightCerebrovascular CirculationPulmonary ArteryTime FactorsMyocardial Perfusion ImagingKinetocardiographyBlood Pressure Monitoring, AmbulatoryVentricular Dysfunction, LeftArterial PressureLaser-Doppler FlowmetryConstrictionRenal CirculationRats, Sprague-DawleyVasoconstrictionAtmospheric PressureAir PressureEchocardiographyCardiac CatheterizationCardiac VolumeOxygen ConsumptionCoronary VesselsRats, WistarPressoreceptorsModels, CardiovascularNorepinephrinePulmonary Wedge PressureSwineVasodilationVentricular Dysfunction, RightIntracranial HypertensionVasodilator AgentsHypertension, PulmonaryAnesthesiaDisease Models, AnimalAntihypertensive AgentsElectrocardiographyCardiotonic AgentsKidneyMyocardial IschemiaSympathetic Nervous SystemBlood VolumeHypertrophy, Left VentricularStroke VolumeCarotid SinusCentral Venous PressureMonitoring, PhysiologicReflexPhonocardiographyVasoconstrictor AgentsVenae CavaeOxygenHeart SoundsPulseCerebrospinal Fluid PressurePropranololNatriuresisHypertrophy, Right VentricularManometryNitric OxideHomeostasisAdenosineMyocardial Reperfusion InjuryCompliancePhenylephrineRabbitsIsofluraneAortaNitroprussideCardiomegalyMicrocirculationPulmonary Valve StenosisDose-Response Relationship, Drug