AspirinPractice Guidelines as TopicPrimary PreventionGuideline AdherenceCenters for Disease Control and Prevention (U.S.)PhysiciansUnited StatesPlatelet Aggregation InhibitorsGuidelines as TopicAnti-Inflammatory Agents, Non-SteroidalRisk FactorsSecondary PreventionCardiovascular DiseasesTiclopidineDefibrillators, ImplantableThromboxane B2Risk AssessmentCyclooxygenase InhibitorsPlatelet AggregationTreatment OutcomeSalicylatesRandomized Controlled Trials as TopicDeath, Sudden, CardiacDrug Therapy, CombinationFluorobenzenesPlatelet Function TestsHydroxymethylglutaryl-CoA Reductase InhibitorsEvidence-Based MedicineFibrinolytic AgentsProspective StudiesAnticoagulantsHemorrhageIncidenceStrokeCoronary DiseaseTime FactorsFollow-Up StudiesWarfarinDouble-Blind MethodBlood PlateletsGastrointestinal HemorrhageMyocardial InfarctionSodium SalicylatePreventive MedicineCost-Benefit AnalysisRisk Reduction BehaviorRiskDose-Response Relationship, DrugAsthma, Aspirin-InducedHypercholesterolemiaHypolipidemic AgentsSocieties, MedicalTablets, Enteric-CoatedRetrospective StudiesCyclooxygenase 1Age FactorsPhysician's Practice PatternsCohort StudiesClinical Trials as TopicBleeding TimeProstaglandin-Endoperoxide SynthasesPlatelet ActivationQuestionnairesChemopreventionThromboxanesThrombosisIbuprofenPatient SelectionPravastatinThromboxane A2Cyclooxygenase 2 InhibitorsLife StyleHealth PromotionAnticholesteremic AgentsHypertensionDipyridamoleMass ScreeningSulfonamidesResearch DesignPrevalenceRecurrenceHealth Knowledge, Attitudes, PracticeSex FactorsElectric CountershockAcetaminophenDrug CostsPregnancyDrug ResistanceLipoxinsCerebrovascular DisordersCross-Sectional StudiesPreventive Health ServicesIndomethacinDietAtrial FibrillationSulfinpyrazoneSmokingHealth EducationGastric MucosaCyclooxygenase 2