Imaging process Ch. 25

Question 1

What does analyzing an image include?

Answer 1

quality factors of density/image receptor exposure, contrast, recorded detail, & distortion

Question 2

What should RT imaging standards be?

Answer 2

To produce more high quality images that are near perfect with an acceptable repeat rate

Question 3

What is the role of the RT in image analysis?

Answer 3

1. critically evaluate the image
2. determine the cause of the problem
3. recommend corrective action

Question 4

What does it mean to establish acceptance limits?

Answer 4

Graph where your perfect diagnostic quality is and try to hit it every time

Question 5

What will narrow acceptance limits produce?

Answer 5

a high repeat rate

Question 6

What would wide acceptance limits produce?

Answer 6

sloppy work

Question 7

What is the problem solving process in imaging standards?

Answer 7

1. general evaluation of the image
2. identifying problems
3. determining a possible cause
4. implementing corrective action

Question 8

What are some challenges to having high quality images? (appearance standards)

Answer 8

body habitus, patient condition, VA/perception, image viewing conditions, preferences & demands of the radiologist

Question 9

What are appearance characteristics for image analysis?

Answer 9

IR exp/density
Image contrast
Detail & distortion

Question 10

What are the procedure factors for image analysis?

Answer 10

All anatomy is included
Correct plane (projection)
CR angulation
Body habitus
anatomic variations
Pathology
Necessary artifacts
Special concerns (pt age/condition, port)
Centering (T/P/IR alignment & CR angulation)
Detent

Question 11

What are some corrective actions to take for image analysis?

Answer 11

technical factors
procedural factors
equipment factors