Cerebral VentriclesSubarachnoid HemorrhageSubarachnoid SpaceCerebrospinal FluidInjections, IntraventricularCerebral HemorrhageCisterna MagnaFourth VentricleHemorrhageVasospasm, IntracranialCerebral ArteriesHeart VentriclesCerebrospinal Fluid ProteinsShiveringHydrocephalusBrainIntracranial AneurysmCerebral AngiographyIntracranial HemorrhagesInjectionsLateral VentriclesCerebral InfarctionBody TemperatureCerebrovascular CirculationAneurysm, RupturedEpendymaTomography, X-Ray ComputedHypothalamusThird VentriclePempidineTime FactorsSpinal PunctureCatsChoroid PlexusRetinal HemorrhageCerebral Ventricle NeoplasmsHypnosis, AnestheticBasilar ArteryBody Temperature RegulationPhysostigmineCerebrospinal Fluid PressureCerebrospinal Fluid ShuntsCerebrospinal Fluid RhinorrheaMagnetic Resonance ImagingMiddle Cerebral ArteryHexamethonium CompoundsBrain IschemiaDogsTranylcypromineIntracranial PressureConsciousnessCerebral PalsyBlood PressureMeningitisCerebral VentriculographyPerfusionSerotoninPostpartum HemorrhageRats, Sprague-DawleyArachnoidHistamine AgentsPyrogensCerebral VeinsVentriculostomyNorepinephrineVitreous HemorrhageRats, WistarGastrointestinal HemorrhageInjections, IntravenousRupture, SpontaneousIschemic Attack, TransientTreatment OutcomePhentolamineEye HemorrhageDrinkingHematomaLysergic Acid DiethylamideInfarction, Middle Cerebral ArteryBrain DiseasesMalaria, CerebralDisease Models, AnimalHeart RateVentriculoperitoneal ShuntRabbitsParasympathomimeticsBrain EdemaHematoma, SubduralCerebrovascular DisordersFeverPentobarbitalRetrospective StudiesReserpineCraniotomyNeurosurgical ProceduresProspective StudiesIntracranial Hemorrhage, HypertensiveGlasgow Outcome ScaleMeningesCerebral AqueductBlood-Brain Barrier