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→Basic screening: Expanded
==Basic screening==
Apart from any specific requests in the referral, it is appropriate to scroll through the brain in at least two planes in:
*Parenchymal window, for (at least in . In people over age 50-60) , the main finding to look for is ischemia or strokein the brain. It also allows for a quick glance of extra-cranial structures and the orbits.
*Bleeding window (such as center at 80 HU and width 150 HU)
Also, in cases with possible head '''trauma''':*'''Bone ''' window for fracture, at least in emergent exams. It also facilitates a quick glance of the mastoid air cells, the middle ears and the paranasal sinuses in case of fluid/mucus filling.
==Normal anatomy==
