Pulmonary EmbolismTeratologyVenous ThrombosisEmbolismEmbolism, FatVentilation-Perfusion RatioEmbolectomyVena Cava FiltersThrombophlebitisAnticoagulantsEmbolism, ParadoxicalFibrin Fibrinogen Degradation ProductsThromboembolismTomography, Spiral ComputedAngiographyIntracranial EmbolismVentricular Dysfunction, RightVenous ThromboembolismEmbolism, Amniotic FluidAcute DiseasePhlebographyPulmonary ArteryTomography, X-Ray ComputedIntracranial Embolism and ThrombosisHeparinHeparin, Low-Molecular-WeightTechnetium Tc 99m Aggregated AlbuminFibrinolytic AgentsFemoral VeinVena Cava, InferiorThrombolytic TherapyPopliteal VeinThrombosisWarfarinEmbolism, CholesterolPulmonary InfarctionHemorrhagePerfusion ImagingProspective StudiesRetrospective StudiesRisk FactorsPostoperative ComplicationsTreatment OutcomeRecurrenceIliac VeinHemoptysisStreptokinaseThrombectomyKrypton RadioisotopesAutopsyPredictive Value of TestsEchocardiography, TransesophagealEchocardiographyEnoxaparinXenon RadioisotopesThrombophiliaForamen Ovale, PatentRisk AssessmentShockFollow-Up StudiesSensitivity and SpecificityAntifibrinolytic AgentsIncidenceRadionuclide ImagingTachycardia, SinusHeart DiseasesTime FactorsLungBandagesRadiography, ThoracicPregnancy Complications, CardiovascularPlethysmography, ImpedanceChest PainLegFatal OutcomeKryptonDevice RemovalStockings, CompressionPulmonary CirculationPulmonary Heart DiseaseSeverity of Illness IndexPrognosisDyspneaHeart AtriaTissue Plasminogen ActivatorIntermittent Pneumatic Compression DevicesHypertension, Pulmonary