Cerebral VentriclesSubarachnoid HemorrhageSubarachnoid SpaceCerebrospinal FluidInjections, IntraventricularCerebral HemorrhageDilatationCisterna MagnaDilatation, PathologicFourth VentricleHemorrhageVasospasm, IntracranialCerebral ArteriesHeart VentriclesCerebrospinal Fluid ProteinsShiveringHydrocephalusBrainIntracranial AneurysmCerebral AngiographyIntracranial HemorrhagesInjectionsCerebral InfarctionLateral VentriclesCerebrovascular CirculationBody TemperatureAneurysm, RupturedEpendymaHypothalamusTomography, X-Ray ComputedBasilar ArteryGastric DilatationThird VentriclePempidineTime FactorsCatsSpinal PunctureChoroid PlexusRetinal HemorrhageCerebral Ventricle NeoplasmsHypnosis, AnestheticBody Temperature RegulationPhysostigmineCerebrospinal Fluid ShuntsCerebrospinal Fluid PressureCerebrospinal Fluid RhinorrheaMiddle Cerebral ArteryHexamethonium CompoundsIntracranial PressureDogsBrain IschemiaBlood PressureTranylcypromineConsciousnessMagnetic Resonance ImagingCerebral PalsyPerfusionMeningitisSerotoninRats, Sprague-DawleyPostpartum HemorrhageCerebral VentriculographyNorepinephrineArachnoidCerebral VeinsHistamine AgentsPyrogensGastrointestinal HemorrhageRats, WistarVitreous HemorrhageInjections, IntravenousVentriculostomyIschemic Attack, TransientRupture, SpontaneousTreatment OutcomeCatheterizationPhentolamineEye HemorrhageDrinkingLysergic Acid DiethylamideInfarction, Middle Cerebral ArteryHeart RateBrain DiseasesRabbitsMalaria, CerebralDisease Models, AnimalVentriculoperitoneal ShuntParasympathomimeticsHematomaProspective StudiesPentobarbitalCerebrovascular DisordersRetrospective StudiesBrain EdemaAtropineReserpineCraniotomyFeverIntracranial Hemorrhage, HypertensiveGlasgow Outcome Scale