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Reject analysis

A project to find the main cause of rejected x-rays. Reject analysis. Index. About our project Methods used to collect data Findings Conclusions Recommendations Questions. About our project. Why this project? Planning Introduction Timetable Data collecting and processing

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Reject analysis

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  1. A project to find the main cause of rejected x-rays Reject analysis

  2. Index • About our project • Methods used to collect data • Findings • Conclusions • Recommendations • Questions

  3. About our project • Why this project? • Planning • Introduction • Timetable • Data collecting and processing • Target values • Less than 2% rejects out of the total

  4. Methods used to collect data • Collecting rejects • Collecting over a period of 2 weeks • A fill-in form with every reject • Differentiate between rooms and the time of day • Question list • We asked your opinion • Observation

  5. Findings • Main cause • Differentiate between rooms • Total • Spoiled • Compared to total • Compared to target • Result question list • Not all results will be shown, if you are interested in all the results you should read our report.

  6. Main cause (differentiate) Making the X-ray Developing

  7. Main cause (total)

  8. Spoiled compared to total General A-block

  9. Spoiled compared to target General A-block

  10. Result question list • 83,3 % of the radiographers filled in the question list

  11. What do you think is the main cause of the spoiled X-rays?

  12. What is the average amount of X-rays you reject in a weeks time?

  13. Experience of work pressure

  14. What do you think of the exposures on the exposure factor list?

  15. Result question list • Facts • There are a lot of experienced radiographers. • Every radiographer finds the quality of the x-rays. to be good • Most of the radiographers don’t think that there are too much rejects. • Almost all radiographers thinks there is too much work pressure, especially in the morning.

  16. Conclusions • After processing the data we can conclude that the target set, isn’t reached by any part of the X-ray department. Yet every radiographer thinks the quality of the X-rays is well. • Exposure is the main cause of spoiled X-rays within this department. This is 66 %, so a clear majority. • Dark room errors are the second cause for the majority of rejects with a percentage of almost 23%.

  17. Conclusions • In the morning most radiographers experience high work pressure. • In the afternoon the highest percentage of rejects occurs. • Out of the question list we can conclude that in most cases the exposure factor list isn’t used by the radiographers.

  18. Recommendations • Repeat this project twice a year. • The radiographers should make better use of the exposure-factor list. • Improve the quality of the equipment of room 4. • Lower the work pressure especially in the morning. • Check the exposure factor list if it is still adequate.

  19. Questions

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