Improving the Image: Collimation and Heel Effect (1 CR)

This is a two-part series that covers some issues that are important to acquiring good quality diagnostic x-rays.

Collimation and Anode Heel Effect

  • Collimation
    • Design of the collimator
    • How the collimator works
    • Tricky issues with the collimator
    • How collimation improves radiographic definition (detail)
    • Details of just how much collimation affects safety
    • Hints for collimating and cropping
    • A terrific thing you can say to a patient about collimation
    • How to change a collimator light bulb
    • How to check your collimator light field
  • Anode Heel Effect
    • Why is it called the “heel’?
    • Two advantages of having the anode slanted
    • One drawback of having the anode slanted: “the anode heel effect”
    • How the heel effect is affected by SID
    • How the heel effect is affected by image field size
    • How to tell which end is which on your tube
    • How to take advantage of the heel effect in recumbent radiography
    • How to take advantage of the heel effect in upright radiography
Module 1 Improving the Image: Collimation and Anode Heel Effect
Unit 1 Collimation and Anode Heel Effect
Unit 2 Quiz: Collimation and Anode Heel Effect

Comments are closed.