Reject analysis

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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 - PowerPoint PPT Presentation

Transcript of Reject analysis

A project to find the main cause of rejected x-rays

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

Target values Less than 2% rejects out of the total

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

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.

Main cause (differentiate)

Making the X-ray Developing

Main cause (total)

Spoiled compared to total

General A-block

Spoiled compared to target

General A-block

Result question list

83,3 % of the radiographers filled in the question list

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

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

Experience of work pressure

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

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.

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%.

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.

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.

Questions