Subarachnoid HemorrhageVasospasm, IntracranialSubarachnoid SpaceCerebral HemorrhageHemorrhageIntracranial AneurysmAneurysm, RupturedIntracranial HemorrhagesCerebral AngiographyBasilar ArteryRetinal HemorrhageTomography, X-Ray ComputedRupture, SpontaneousCerebral ArteriesHydrocephalusPostpartum HemorrhageSpinal PunctureSubarachnoid Hemorrhage, TraumaticVitreous HemorrhageGlasgow Outcome ScaleGastrointestinal HemorrhageCisterna MagnaEye HemorrhageIntracranial PressureIschemic Attack, TransientBrain IschemiaVentriculostomyCerebrovascular CirculationIntracranial Hemorrhage, HypertensiveEmbolization, TherapeuticHematoma, SubduralSurgical InstrumentsAngiography, Digital SubtractionNimodipineHematomaTreatment OutcomeGlasgow Coma ScaleCerebral InfarctionNeurosurgical ProceduresCraniotomyProspective StudiesVertebral ArteryBrainBasal Ganglia HemorrhageTime FactorsPutaminal HemorrhageCerebral VentriclesPregnatrienesCerebrovascular DisordersArachnoidIntracranial Arteriovenous MalformationsCerebral VentriculographyRetrospective StudiesHeadacheVertebral Artery DissectionPostoperative HemorrhageMagnetic Resonance ImagingBrain EdemaVentriculoperitoneal ShuntIntracranial HypertensionStrokeHeadache Disorders, PrimaryFatal OutcomeNeurosurgeryUltrasonography, Doppler, TranscranialDisease Models, AnimalCerebral Hemorrhage, TraumaticAcute DiseaseRisk FactorsConsciousness DisordersChoroid HemorrhageHemosiderinPeptic Ulcer HemorrhageCerebrospinal FluidMiddle Cerebral ArteryCortical Spreading DepressionFollow-Up StudiesBrain InjuriesIncidenceMeningesPosterior Cerebral ArteryRecurrenceComaAngiographyMagnesium SulfateHematoma, Subdural, IntracranialVasoconstrictionNeurologic ExaminationAneurysmCerebral AqueductPrognosisPapaverineAntifibrinolytic AgentsPredictive Value of TestsDura MaterRetrobulbar HemorrhageTranexamic AcidAminocaproatesExtravasation of Diagnostic and Therapeutic MaterialsDogs