Evidence of subarachnoid haemorrhage is seen smearing the cortical sulci of the posterior high fronto-parietal extra-axial CSF spaces.
The superior sagittal sinus appears slightly distended and relatively hyperdense.
Normal appearance of the ventricles with no midline shift or deformity.
No masses or definite parenchymal areas of abnormal attenuation values seen.
No gross posterior fossa abnormality.