PressureBlood PressureAtrial Function, RightAtrial PressurePulmonary Wedge PressureAtrial Function, LeftHemodynamicsAtrial FunctionCardiac OutputHeart AtriaDogsHydrostatic PressureVentricular PressureVascular ResistanceTransducers, PressureVenous PressurePulmonary EdemaPulmonary CirculationAtrial Natriuretic FactorHypertension, PulmonaryCardiac CatheterizationHeart RateVentricular Function, RightBlood Pressure DeterminationHeart, ArtificialPulmonary ArteryBlood VolumeHeart FailureCentral Venous PressureEchocardiography, DopplerHypertensionDiastoleIntracranial PressureIntraocular PressureHeartCatheterization, Swan-GanzBlood Pressure Monitoring, AmbulatorySystolePulmonary VeinsBlood CirculationAir PressureAtmospheric PressureVentricular Function, LeftBlood Flow VelocityPressoreceptorsEchocardiographyValsalva ManeuverPositive-Pressure RespirationRespirationReninMitral Valve StenosisSheepVagus NerveAntihypertensive AgentsCoronary CirculationVena Cava, InferiorTime FactorsLymphVentricular FunctionArterial PressurePlasma SubstitutesMyocardial ContractionMitral ValveModels, CardiovascularHeart VentriclesInfusions, ParenteralCardiac Pacing, ArtificialColloidsHypotensionConsciousnessCatheterizationMonitoring, PhysiologicReflexRegional Blood FlowTricuspid Valve InsufficiencyAssisted CirculationEchocardiography, Doppler, PulsedMitral Valve InsufficiencyKidneyNorepinephrineVentricular Dysfunction, RightUrocortinsCardiac VolumeCarotid SinusFontan ProcedureSympathetic Nervous SystemHeart Septal Defects, AtrialStroke VolumeNatriuresisAldosteroneSodium Potassium Chloride Symporter InhibitorsProspective StudiesLungBlood Gas AnalysisCardiac TamponadePropranololOsmotic PressureDenervationOxygenArginine Vasopressin