Pulmonary EmbolismVenous ThromboembolismThromboembolismVenous ThrombosisAnticoagulantsThrombophlebitisEmbolismEmbolism, FatVentilation-Perfusion RatioVena Cava FiltersEmbolectomyFibrin Fibrinogen Degradation ProductsHeparin, Low-Molecular-WeightEmbolism, ParadoxicalThrombophiliaWarfarinHemorrhageHeparinAngiographyIntracranial EmbolismPhlebographyAcute DiseaseVentricular Dysfunction, RightTomography, Spiral ComputedRisk FactorsFibrinolytic AgentsEnoxaparinIntracranial Embolism and ThrombosisPulmonary ArteryTomography, X-Ray ComputedEmbolism, Amniotic FluidThrombosisRecurrenceStockings, CompressionPostoperative ComplicationsProspective StudiesRetrospective StudiesFemoral VeinThrombolytic TherapyTreatment OutcomeFactor VIncidenceVena Cava, InferiorRisk AssessmentIntermittent Pneumatic Compression DevicesPopliteal VeinTechnetium Tc 99m Aggregated AlbuminInternational Normalized RatioThrombectomyFollow-Up StudiesEchocardiography, TransesophagealVitamin KBandagesPregnancy Complications, CardiovascularPredictive Value of TestsIliac VeinAutopsyDalteparinTime FactorsEmbolism, CholesterolPulmonary InfarctionPerfusion ImagingProthrombinEchocardiographyHemoptysisAntifibrinolytic AgentsHeart DiseasesStreptokinasePostthrombotic SyndromeKrypton RadioisotopesForamen Ovale, PatentSensitivity and SpecificityAerospace MedicineBlood CoagulationPlethysmography, ImpedanceAtrial FibrillationFatal OutcomeXenon RadioisotopesCohort StudiesLegPregnancy Complications, HematologicProtein C DeficiencyArthroplasty, Replacement, KneeShockVascular NeoplasmsHeart AtriaThiophenesAcenocoumarolRiskPrognosisLungArthroplasty, Replacement, HipRadiography, ThoracicNeoplasmsRadionuclide ImagingSeverity of Illness IndexTachycardia, SinusHypertension, PulmonaryAdministration, OralActivated Protein C Resistance