VBS	Vertebrobasilar System
N. VIII	Nerve VIII
ENT	Specialist Sonsultant at Otolaryngology
MRI	Magnetic Resonance Imaging
PC	Ponto-Cereberal
CT	Computed Tomography
SAH	Subarachnoid Hemorrhage
ICU	Intensive Care Unit
ONSD	Ultrasound of optic nerve sheaths
i.v.	Intra venosus
FLAIR	Fluid-Attenuated Inversion Recovery
VP	Ventriculoperitoneal
DWI	Diffusion-Weighted Imaging