Decision MakingQuality of LifeDecision Support TechniquesDecision TreesDecision Support Systems, ClinicalDecision Making, Computer-AssistedDecision TheoryLifeDecision Making, OrganizationalLife Support CareQuestionnairesLife Change EventsWithholding TreatmentCost-Benefit AnalysisLife Cycle StagesUnited StatesUncertaintyLife TablesThird-Party ConsentTime FactorsResuscitation OrdersTerminal CareMental CompetencyEuthanasiaEuthanasia, PassiveAdvance DirectivesTreatment OutcomeInformed ConsentPersonal AutonomyPatient SatisfactionEthics, MedicalSupreme Court DecisionsAttitude of Health PersonnelEvidence-Based MedicineCommunicationPatient PreferenceMedical FutilityPhysician's Practice PatternsRisk AssessmentPractice Guidelines as TopicDecision Support Systems, ManagementReproducibility of ResultsProspective StudiesProxyExpert SystemsAge FactorsPhysiciansAlgorithmsPatient Education as TopicDrug Therapy, Computer-AssistedModels, TheoreticalAdvance Care PlanningLife StyleHealth StatusGames, ExperimentalQualitative ResearchHealth Knowledge, Attitudes, PracticePaternalismRewardRisk FactorsEuthanasia, ActiveCross-Sectional StudiesJudgmentGreat BritainPatient SelectionLongevityModels, EconomicSeverity of Illness IndexProfessional-Family RelationsMarkov ChainsProbabilityFollow-Up StudiesDissent and DisputesInterviews as TopicPregnancyRetrospective StudiesSocial ValuesRefusal to TreatPsychometricsReaction TimeResource AllocationModels, PsychologicalSensitivity and SpecificitySickness Impact ProfilePilot ProjectsCohort StudiesPolicy MakingGamblingAttitude to DeathOutcome Assessment (Health Care)Focus GroupsFamilyParentsMoralsHealth Care RationingPalliative CareStress, PsychologicalQuality-Adjusted Life YearsData CollectionModels, Biological