GE Revolution CT User Manual page 662

Revolution CT User Manual
Direction 5480385-1EN, Revision 1
Illustration 13: Scout of Torso Phantom in Lateral View (middle) with measured Water
Equivalent Diameter (top) and (bottom) Oval Ratio Torso images from the scout are shown with
their representative Dw and OR characterizations.
Illustration 14: Torso Phantom shown with overlay indicating: Left - Water Equivalent Diameter
= 26.3cm (OR=1) and Right - Ellipse based on Dw and OR (OR=1.80)
662 7 Scout Based Attenuation Characterization