A radiograph of the abdomen is underexposed and must be repeated.The original analog exposure factors used were 65 kV with 25 mAs.The technologist decides to keep the mA at the same level but change the kV to increase radiographic density.How much of an increase is needed in kilovoltage to double the density?

Question

Quizplus · Accepted Answer

To double the radiographic density, a 15% increase in kilovoltage is typically needed. For 65 kV, this is approximately 9.75 kV, so an increase of 9 to 10 kV is required.

A Radiograph of the Abdomen Is Underexposed and Must Be