MidazolamPremedicationBradycardiaHypnotics and SedativesPreanesthetic MedicationAnti-Anxiety AgentsConscious SedationAdjuvants, AnesthesiaPropofolAnesthetics, IntravenousAnesthesia, DentalDiazepamClonidineMeperidineHeart RateAcepromazineKetamineFentanylAnesthesia Recovery PeriodPromethazineDouble-Blind MethodBenzodiazepinesLorazepamAnesthesia, GeneralDexmedetomidineAnesthesia, IntravenousAnesthesiaDrug HypersensitivityButorphanolAnesthetics, DissociativeAdrenergic alpha-AgonistsGABA ModulatorsAdministration, BuccalThiopentalAmbulatory Surgical ProceduresAtropineAnxiety, SeparationMedetomidineInfusions, IntravenousAnesthetics, CombinedAnesthesia, InhalationFlumazenilAnesthetics, InhalationMethyl EthersDrug InteractionsApneaAnalgesicsDiphenhydramineAnestheticsBlood PressureDental AnxietyCytochrome P-450 CYP3AAdministration, RectalAdministration, OralRespirationDose-Response Relationship, DrugTranquilizing AgentsInjections, IntravenousNitrous OxideHistamine H1 AntagonistsCandyAnalgesics, OpioidIntubation, IntratrachealHypotensionAnesthesia, LocalVagus NerveInjections, IntramuscularAnesthesia, SpinalButylscopolammonium BromideXylazineReflexSympatholyticsNeuroleptanalgesiaHemodynamicsPaclitaxelBelladonna AlkaloidsHydroxyzineAntineoplastic Agents, PhytogenicElectroencephalographyChloral HydrateProspective StudiesAnxietyParasympatholyticsTriazolamOxazepamClemastineTime FactorsBenperidolMonitoring, IntraoperativeOphthalmologic Surgical ProceduresGastroscopyAdministration, SublingualSecobarbitalIsofluraneIodine CompoundsOpiumSinoatrial NodePainPentobarbitalSuccinylcholine