Blood VolumePlasma SubstitutesPlacental CirculationHydroxyethyl Starch DerivativesIsotonic SolutionsPlasma VolumeBlood Volume DeterminationFluid TherapyHypovolemiaHematocritDisseminated Intravascular CoagulationUmbilical ArteriesBlood Flow VelocityPregnancy Trimester, ThirdHemodynamicsCardiac OutputRegional Blood FlowUltrasonography, DopplerBlood PressureAtrial Natriuretic FactorUltrasonography, InterventionalSodium ChlorideMonitoring, PhysiologicPregnancyKidneyErythrocyte VolumeHypertensionCerebrovascular CirculationStroke VolumeMagnetic Resonance ImagingLung Volume MeasurementsCoronary VesselsTime FactorsReproducibility of ResultsImage Processing, Computer-AssistedBrainFluid ShiftsVascular NeoplasmsHemorrhageContrast MediaHemoglobinsTomography, X-Ray ComputedOxygenDogsDye Dilution TechniqueImaging, Three-DimensionalBlood CirculationHemodilutionSpectroscopy, Near-InfraredPulmonary CirculationPulmonary Diffusing CapacityForced Expiratory VolumeCoronary Artery DiseaseCoronary AngiographySensitivity and SpecificityOrgan SizeShock, HemorrhagicMicrocirculationStentsIndocyanine GreenLungTreatment OutcomeImage Interpretation, Computer-AssistedMagnetic Resonance AngiographyProspective StudiesPlaque, AtheroscleroticHeart RatePressurePerfusion ImagingOxygen ConsumptionGadolinium DTPAOxygen RadioisotopesHypotensionImage EnhancementCapillariesWater-Electrolyte BalancePredictive Value of TestsThoraxReference ValuesResidual VolumeCapillary PermeabilityEquipment DesignVascular ResistanceCarbon DioxideCatheterizationVascular CapacitanceCentral Venous PressureDisease Models, AnimalTomography, Emission-ComputedPlethysmographyBody WaterBrain NeoplasmsVeinsExchange Transfusion, Whole BloodAlgorithmsObserver VariationFollow-Up StudiesAnalysis of VarianceColloidsRabbits