Injections, IntravenousInfusions, IntravenousInjectionsHalf-LifeContrast MediaDogsBlood PressureFibrinolytic AgentsDose-Response Relationship, DrugHemodynamicsTime FactorsHeart RateRats, WistarInjections, SubcutaneousInjections, IntramuscularMetabolic Clearance RateInfusions, ParenteralInjections, IntralesionalInjections, Intra-ArticularRats, Sprague-DawleyInjections, IntraperitonealInjections, Intra-ArterialTissue DistributionDrug Administration ScheduleSulfur HexafluorideInjections, IntraventricularDisease Models, AnimalDouble-Blind MethodRabbitsCarbon RadioisotopesInjections, SpinalInjections, IntradermalLidocaineInjections, EpiduralTreatment OutcomeAnesthetics, IntravenousPropofolFentanylBrainAnesthesiaRats, Inbred StrainsRecombinant ProteinsFurosemideIntravitreal InjectionsInjections, JetCoronary CirculationTissue Plasminogen ActivatorArea Under CurveTomography, Emission-ComputedCross-Over StudiesBleeding TimeImmunoglobulin Fab FragmentsAnalgesics, OpioidInjections, IntraocularRegional Blood FlowNeuromuscular Nondepolarizing AgentsKidneyFluorouracilOxygen RadioisotopesLeucovorinPhenylephrineVasodilator AgentsLiverVascular ResistanceKineticsHeparinMorphineDrug InteractionsRandom AllocationBlood-Brain BarrierSheepAdenosineProspective StudiesCardiac OutputCoronary ThrombosisAdministration, OralEndotoxemiaCerebrovascular CirculationSwineFat Emulsions, IntravenousChromatography, High Pressure LiquidFlow Injection AnalysisEpinephrineHypnotics and SedativesGadolinium DTPAMicroinjectionsNorepinephrineThrombolytic TherapyHeartModels, BiologicalMyocardial InfarctionBlood Flow VelocityEnoxaparinAntibodies, MonoclonalMidazolamBiological AvailabilityThrombosisMagnetic Resonance ImagingSympathetic Nervous SystemSubstance Abuse, Intravenous