DiastoleEchocardiography, DopplerAtrial Function, LeftVentricular Function, LeftPressureAtrial FunctionHemodynamicsVentricular PressureHeart AtriaBlood PressureStroke VolumeBlood Flow VelocityPulmonary Wedge PressureMyocardial ContractionCentral Venous PressureVentricular Dysfunction, LeftCardiac OutputEchocardiography, Doppler, PulsedMitral ValveCardiac CatheterizationHeart FailureVenous PressureVascular CapacitanceBlood VolumeEchocardiographyHydrostatic PressureHeart VentriclesSystoleHeart RateVentricular FunctionHypertensionRoot Canal Filling MaterialsHeartVascular ResistanceDogsBlood CirculationHypertrophy, Left VentricularEchocardiography, Doppler, ColorBlood Pressure DeterminationNatriuretic Peptide, BrainCardiac VolumeComplianceCatheterization, Swan-GanzCoronary CirculationTime FactorsTransducers, PressureVentricular Function, RightValsalva ManeuverProspective StudiesIntracranial PressureIsosorbide DinitrateIntraocular PressureBlood Pressure Monitoring, AmbulatoryHydralazineModels, CardiovascularCardiomyopathy, HypertrophicAtrial Function, RightMyocardiumVentricular Dysfunction, RightAtmospheric PressureAir PressureHeart Failure, SystolicPrenalterolReproducibility of ResultsAnesthesiaHeart Failure, DiastolicRegional Blood FlowCardiomyopathy, RestrictivePredictive Value of TestsCardiomyopathy, DilatedPulmonary CirculationNitroglycerinPulmonary ArteryArterial PressureOrthostatic IntolerancePositive-Pressure RespirationCoronary DiseaseAtrial Natriuretic FactorElectrocardiographyPericardiumVeinsCardiotonic AgentsVentricular RemodelingHeart DiseasesHeart Function TestsSympathetic Nervous SystemAnalysis of VarianceExercise TestPhysical ExertionTreatment OutcomeMyocardial InfarctionLinear ModelsCaptoprilFollow-Up StudiesRoot Canal ObturationSensitivity and SpecificityCardiomyopathiesObserver VariationNitroprussideNorepinephrine