Pulmonary VeinsVenous PressurePortal PressurePortal VeinBlood PressureVeinsPressureHypertension, PortalBlood Pressure DeterminationPulsatile FlowRadial ArteryCatheter AblationAtrial FibrillationPulmonary Veno-Occlusive DiseaseLiver CirculationHeart AtriaHemodynamicsTransducers, PressureRegional Blood FlowPulseModels, CardiovascularDogsHeart, ArtificialElectrophysiologic Techniques, CardiacAortaWavelet AnalysisThermodilutionManometryInteractive Ventilatory SupportSaphenous VeinBlood Flow VelocityCryosurgeryComplianceCardiac OutputArteriesVascular ResistanceCatheterization, Swan-GanzHeart Conduction SystemVaricose VeinsBrachial ArteryMonitoring, PhysiologicSignal Processing, Computer-AssistedReproducibility of ResultsHeart RateEquipment DesignSystoleHydrostatic PressureBody Surface Potential MappingBlood Pressure MonitorsFemoral VeinTachycardia, Ectopic AtrialNitroglycerinCarotid ArteriesFemoral ArteryDiagnosis, Computer-AssistedMonitoring, IntraoperativeTreatment OutcomeHypertensionLiverCardiac CathetersJugular VeinsDiastoleElasticityVena Cava, SuperiorCardiac CatheterizationElectrocardiographyAlgorithmsCalibrationFingersTime FactorsRecurrenceConstriction, PathologicFluoroscopyIntracranial PressurePhlebographyTachycardia, ParoxysmalMesenteric VeinsFollow-Up StudiesHepatic VeinsUmbilical VeinsIliac VeinRenal VeinsSensitivity and SpecificityScimitar SyndromeAnti-Arrhythmia AgentsAtrial FunctionPulmonary ArteryElectric CountershockAtrial SeptumAutonomic DenervationSurgery, Computer-AssistedIntraocular PressureImaging, Three-DimensionalStroke VolumeAtrial Function, LeftPopliteal VeinAtrial Premature ComplexesProspective StudiesCatheterizationBlood Pressure Monitoring, Ambulatory