Radiology 10. Quality Assurance & Fault Analysis

Question 1

what are the quality assurance checks for digital image receptors

Answer 1

they’re re-usable -> wear & tear so needs an acceptable use standard

• the receptor itself
• image uniformity
• image quality

Question 2

what happens to an image when receptors are damaged?

Answer 2

scratches = white lines
cracking (from flexing) = network of white lines

in summary - marks and lines compromising image

Question 3

how do you check the image quality for quality assurance?

Answer 3

using a step wedge

its a test object used to check image quality/contrast