StrokeBrain IschemiaRisk FactorsCerebrovascular DisordersHawksCerebral HemorrhageCerebral InfarctionTime FactorsTissue Plasminogen ActivatorRisk AssessmentFibrinolytic AgentsThrombolytic TherapyAcute DiseaseFollow-Up StudiesIschemic Attack, TransientInfarction, Middle Cerebral ArteryPredatory BehaviorProspective StudiesRiskIncidenceTreatment OutcomeBrain InfarctionCohort StudiesIntracranial HemorrhagesSeverity of Illness IndexRecovery of FunctionTomography, X-Ray ComputedRetrospective StudiesLogistic ModelsPredictive Value of TestsUnited StatesMagnetic Resonance ImagingParesisRegistriesDiffusion Magnetic Resonance ImagingBrainMagnetic Resonance AngiographyAnticoagulantsIntracranial ThrombosisPrognosisReperfusionOne-Lung VentilationCerebral AngiographyIntracranial EmbolismNeurologic ExaminationHypertensionUltrasonography, Doppler, TranscranialAge FactorsCerebrovascular CirculationGenetic Predisposition to DiseasePlatelet Aggregation InhibitorsRandomized Controlled Trials as TopicComorbidityRecurrenceHemiplegiaSex FactorsMultivariate AnalysisOdds RatioAtrial FibrillationIntracranial Embolism and ThrombosisStroke VolumeOutcome Assessment (Health Care)Regression AnalysisBlood PressureCerebral ArteriesReproducibility of ResultsInjections, IntravenousQuestionnairesCase-Control StudiesDisability EvaluationEmergency Medical ServicesUpper ExtremityVertebrobasilar InsufficiencyPerfusion ImagingMiddle Cerebral ArteryWarfarinActivities of Daily LivingSurvival RateStroke, LacunarSex DistributionInjections, Intra-ArterialCarotid Artery ThrombosisAspirinInfusions, IntravenousNeuroprotective AgentsDiffusionEcho-Planar ImagingAntihypertensive AgentsPilot ProjectsBiological MarkersAge DistributionHeadacheDouble-Blind MethodPrevalenceDisease ProgressionSingle-Blind MethodProportional Hazards ModelsHeat StrokeHydroxymethylglutaryl-CoA Reductase InhibitorsPlasminogen Activators