Which among the following has least HU units?
Air has the least HU Coical Bone +400 to +1000 Calcifications +200 to +250 Contrast agents +130 Hu Acute Bleed +60 to +70 Hu CSF/Water 0 Fat - 50 to -100 Hu AIR -1000 Hu
Acute Bleed
Contrast agents
Fat
Air
CT SCAN