Subarachnoid HemorrhageVasospasm, IntracranialIntracranial AneurysmEye HemorrhageCerebral HemorrhageConjunctival DiseasesSubarachnoid SpaceAneurysm, RupturedHemorrhageCerebral AngiographyBasilar ArteryIntracranial HemorrhagesTomography, X-Ray ComputedCerebral ArteriesRupture, SpontaneousSubarachnoid Hemorrhage, TraumaticSpinal PunctureHydrocephalusGlasgow Outcome ScaleCisterna MagnaIntracranial PressureIschemic Attack, TransientCerebrovascular CirculationBrain IschemiaSurgical InstrumentsRetinal HemorrhageVentriculostomyNimodipineAngiography, Digital SubtractionEmbolization, TherapeuticVitreous HemorrhageHematoma, SubduralGlasgow Coma ScaleCerebral InfarctionNeurosurgical ProceduresVertebral ArteryTreatment Outcome