Venous ThromboembolismThromboembolismPulmonary EmbolismHeparin, Low-Molecular-WeightAnticoagulantsVenous ThrombosisThrombophlebitisThrombophiliaHeparin AntagonistsEnoxaparinHemorrhageHeparin LyaseWarfarinFibrin Fibrinogen Degradation ProductsHeparin Cofactor IIStockings, CompressionFibrinolytic AgentsAntithrombin IIIRisk FactorsFactor VAntithrombinsDalteparinVena Cava FiltersThrombosisProthrombinPartial Thromboplastin TimeFactor XaRecurrenceIntermittent Pneumatic Compression DevicesHeparinBlood CoagulationInternational Normalized RatioVitamin KIncidencePostoperative ComplicationsActivated Protein C ResistanceContraceptives, Oral, CombinedEmbolectomyTreatment OutcomeProspective StudiesRisk AssessmentThrombinAtrial FibrillationPregnancy Complications, HematologicProtein C DeficiencyBlood Coagulation TestsBandagesRetrospective StudiesPhlebographyAcenocoumarolInjections, SubcutaneousPregnancy Complications, CardiovascularPlatelet Factor 4Time FactorsProtein S Deficiencybeta-AlanineGlycosaminoglycansPostthrombotic SyndromeFollow-Up StudiesAspirinThiophenesAntithrombin III DeficiencyDesogestrelAdministration, OralAndrostenesHirudinsPractice Guidelines as TopicGravity SuitsPolysaccharidesNeoplasmsBlood Coagulation FactorsRiskLevonorgestrelWhole Blood Coagulation TimeContraceptives, OralCohort StudiesProtein CDermatan SulfateProtaminesAcute DiseaseAustriaPlatelet Aggregation InhibitorsImmobilizationNorpregnenesThrombocytopeniaPipecolic AcidsContraceptives, Oral, SyntheticArthroplasty, Replacement, KneeIntracranial Embolism and ThrombosisDisseminated Intravascular CoagulationAntiphospholipid SyndromeThrombolytic TherapyAtrial AppendageFibrinopeptide AThrombectomyCompression BandagesPyridonesHeart Valve ProsthesisEchocardiography, TransesophagealAerospace Medicine