Window (width/level)
TechnicalDisplay parameters of the digital image. Window width (WW) controls contrast; window level (WL) or window centre controls the average brightness. They allow the display to be optimised for different tissues without re-acquiring the image.
Go beyond the definition
With Rad Index you study with flashcards, browse all 147 full projections and the ALARA checklist — even offline, on the ward.
