PremedicationBradycardiaPreanesthetic MedicationMidazolamAcepromazineAdjuvants, AnesthesiaClonidineMeperidineHypnotics and SedativesHeart RateDiazepamAnti-Anxiety AgentsDrug HypersensitivityAtropinePromethazineAnesthesia, GeneralAnesthetics, IntravenousFentanylDouble-Blind MethodAmbulatory Surgical ProceduresApneaPropofolAnesthesiaCandyMedetomidineAnesthesia, DentalDiphenhydramineAdrenergic alpha-AgonistsBlood PressureVagus NerveMethyl EthersButylscopolammonium BromideAnesthesia, InhalationButorphanolAnesthesia, IntravenousSympatholyticsNeuroleptanalgesiaAnxiety, SeparationPaclitaxelInfusions, IntravenousKetamineIntubation, IntratrachealAnesthesia Recovery PeriodBelladonna AlkaloidsAntineoplastic Agents, PhytogenicAnesthetics, InhalationHypotensionAdministration, RectalParasympatholyticsRespirationClemastineBenperidolHistamine H1 AntagonistsAdministration, OralLorazepamThiopentalConscious SedationAdministration, BuccalReflexAnesthesia, LocalAnesthetics, DissociativeInjections, IntramuscularAnesthesia, SpinalOphthalmologic Surgical ProceduresIodine CompoundsOpiumSinoatrial NodeSuccinylcholineHemodynamicsProspective StudiesIsonipecotic AcidsArrhythmia, SinusReflex, OculocardiacAnalgesicsAdministration, SublingualElectrocardiographyMiosisNitrous OxideGastroscopyHeart BlockInjections, IntravenousDivingBiguanidesDose-Response Relationship, DrugTaxoidsTreatment OutcomeSick Sinus SyndromeTime FactorsAnesthetics, CombinedAnalgesics, OpioidDental AnxietyAnxietyBaroreflexAnestheticsSyncopeXylazinePacemaker, ArtificialPain, PostoperativeVomitingDrug Administration Schedule