Quality Control in Radiotherapy

Question 1

What determines how frequently a particular QC test should be performed

Answer 1

1. Likelihood of the fault occurring
2. Consequence of a fault if it occurred
3. Likelihood of detection by other means
4. Manufacturers recommendations
5. National guidelines
6. Legal requirements
7. The resource cost involved

Question 2

What must happen when a QC test exceeds an action level?

Answer 2

If QC exceeds an action level then either investigation or remediation should be scheduled but the equipment can still be used

Question 3

What must happen when a QC test exceeds a suspension level?

Answer 3

If QC exceeds the suspension level then the equipment must not be used until it has been investigated or recalibrated