Pulmonary CirculationPulmonary EmbolismPulmonary ArteryEmbolism, FatEmbolismHypertension, PulmonaryLungBlood CirculationAnoxiaVascular ResistanceEmbolism, ParadoxicalDuctus ArteriosusIntracranial EmbolismPulmonary Heart DiseaseHemodynamicsIntracranial Embolism and ThrombosisVasoconstrictionEmbolism, Amniotic FluidPulmonary VeinsHypertrophy, Right VentricularAtrial PressureBlood PressureVentricular Function, RightNitric OxideCardiac OutputVentricular Dysfunction, RightCapillary ResistanceSheepPulmonary Gas ExchangePersistent Fetal Circulation SyndromeAnatomy, RegionalEmbolism, CholesterolDogsVasodilationCardiac CatheterizationPulmonary Wedge PressurePerfusionExtracorporeal CirculationAngiographyModels, CardiovascularVasodilator AgentsPulmonary EdemaBlood Flow VelocityBronchial ArteriesVenous ThrombosisEmbolectomy15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidPhysiologyOsteoarthropathy, Secondary HypertrophicRegional Blood FlowFetusVentilation-Perfusion RatioOxygenAdministration, InhalationVenous PressureAnticoagulantsSynchrotronsTime FactorsEndothelin-1RespirationCardiography, ImpedanceCapillariesPulsatile FlowPulmonary AlveoliMonocrotalinePulmonary Valve StenosisAcute DiseaseVasoconstrictor AgentsEndothelium, VascularAnimals, NewbornBlood Gas AnalysisChronic DiseaseDuctus Arteriosus, PatentProstaglandin Endoperoxides, SyntheticVena Cava FiltersCollateral CirculationHeart VentriclesAdrenomedullinHeart Defects, CongenitalNitric Oxide SynthaseNitroarginineThrombophlebitisLung DiseasesArteriovenous FistulaThromboembolismEndothelinsMicrocirculationRats, Sprague-DawleyNitric Oxide Synthase Type IIIEpoprostenolPregnancyMuscle, Smooth, VascularEchocardiographyBlood VesselsPressureInfant, NewbornSwineTreatment OutcomeBlood VolumeEchocardiography, Doppler