CT brain

head and neck

• brain W:80 L:40

• subdural (Blood) W:130-300 L: 50-100 (W = 200 , C = 100)

• stroke W:8 L:32 or W:40 L:40

• temporal bones W:2800 L:600 or W:4000 L:700

• soft tissues: W:350–400 L:20–60

chest

• lungs W:1500 L:-600

• mediastinum W:350 L:50

• abdomen

• soft tissues W:400 L:50

• liver W:150 L:30

spine

• soft tissues W:250 L:50

• bone W:1800 L:400

Ref. https://radiopaedia.org/articles/windowing-ct