Myocardial Depressant FactorDepression, ChemicalMeprobamateCentral Nervous System DepressantsPentobarbitalBarbituratesScorpion VenomsMetergolineHypnotics and SedativesEnfluraneAnestheticsDesipramineIontophoresisMuscle Relaxants, CentralBemegrideHalothaneCatsNialamideScorpionsIsofluraneChlorpromazineAminobutyratesRespirationSecobarbitalPregnanesThiopentalDiazepamDose-Response Relationship, DrugMorphineNaloxoneElectric StimulationAdrenergic AgentsMyocardial ContractionFenclonineDrug InteractionsEvoked PotentialsAnesthetics, InhalationNalorphinePropranololXanthinesHexamethonium CompoundsTranquilizing AgentsSodium OxybatePromethazineGABA-B Receptor AntagonistsBaclofenClonidineConvulsantsAnesthesiaStrychnineTropanesAnesthesia, InhalationSynaptic TransmissionAction PotentialsAdenosineMeperidineEthanolDrug ToleranceParasympathomimeticsGuinea PigsMorphinansNeuronsGanglionic BlockersSpinal CordAmino AlcoholsKetanserinAcetylcholineReflexPicrotoxinDiphenhydramineReceptors, GABA-ANorepinephrinePharmacologyReflex, MonosynapticBicucullineAtropineHeart RateAnalgesics, OpioidHeartMotor Activitygamma-Aminobutyric AcidPentylenetetrazoleSerotoninAnalgesicsGlutamatesMethysergideTubocurarinePhenoxybenzamineSeizuresNeurotoxinsAnticonvulsantsProcaineDogsRats, Sprague-DawleyPhenytoinCarbon DioxideFlumazenilGABA-A Receptor AntagonistsRats, Inbred StrainsPropofol