The basal cisterns are patent. The visualized osseous structures are unremarkable. The mastoid air cells and middle ear cavities are clear. IMPRESSION: Unremarkable, unenhanced brain CT. Findings were communicated to the Emergency Department via the Wellsoft system on [**Date**] at 6:17 p.m. END OF IMPRESSION: CT RADIATION EXPOSURE: This CT scan was performed with pediatric dose reduction protocols.The specific exposure techniques are recorded in the Scan Protocol which is available in the hospital PACS.