ThiopentalAnesthesia and AnalgesiaAnesthetics, IntravenousMethohexitalPropanididPropofolBarbituratesAnesthesia, IntravenousPseudotumor CerebriEtomidateEpigastric ArteriesNeuromuscular Nondepolarizing AgentsBronchial SpasmNitrous OxidePentobarbitalAnestheticsAnesthesia, GeneralIntubation, IntratrachealAlfentanilSuccinylcholineAndrostanolsTriazenesComaKetamineAnesthetics, InhalationLaryngoscopyAnesthesiaHypnotics and SedativesElectroencephalographyStereoisomerismDose-Response Relationship, DrugLidocaineRespirationBlood ProteinsNorepinephrine