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Quality assurance and Quality control in medical radiography Topic 2.

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Presentation on theme: "Quality assurance and Quality control in medical radiography Topic 2."— Presentation transcript:

1 Quality assurance and Quality control in medical radiography Topic 2

2 Objectives Departmental standards for radiographic image quality QA/QC group establishment Quality Management

3 Diagnostic procedure chain

4 “Quality assurance as applied to medical radiography is the organized effort of the staff to ensure that the diagnostic images produced are of high quality. Its purpose is to provide adequate diagnostic information with the least possible cost and the least possible radiation exposure to the patient and staff”





9 Requirements of a QA/QC program It requires the combined efforts of the whole radiology staff. A hospital qa/qc committee and a qa/qc team must be created to institutionalize the program.

10 Hospital QA/QC team i.Hospital chief radiologist- head of the x-ray section/department ii.Chief x-ray/radiologic technologist iii.Hospital physicist iv.Other radiologists and radiology resident physicians v.Other x-ray/radiologic technologist

11 Hospital QA/QC committee i.Chief of hospital ii.Administrative officer iii.Chief radiologist iv.Chief x-ray/radiologic technologist v.Chief physicist vi.Hospital maintenance engineer/technician vii.Others

12 Responsibilities of these groups are as follows:

13 Hospital QA/QC team I.Do periodic film analysis and monthly film analysis report to the QA/QC committee II.Establish additional radiographic technique charts when needed, or revise existing technique charts when appropriate. III.Establish additional darkroom processing charts or revise existing ones when necessary

14 IV.Do periodic quality control test of x-ray equipment, accessories, and darkroom equipment and accessories V.Keep a room logbook which contains all the test data on equipment, accessories and all the changes/repairs done to all equipment/accessories in the room, sample images, procedures for QC tests, etc. VI.Keep all brochures and technical manuals pertaining to equipment and accessories.

15 Hospital QA/QC committee I.Meet regularly to discuss film analysis report, QC test results, other reports and problems of the x-ray department/section. II.Decide on corrective action to be implemented and on other matters related to the program III.Keep a record of minutes of meetings.

16 In planning and establishing a QA/QC program the following should be considered In medical radiography

17 A.Commitment and support of radiology personnel to sustain the program B.Establishment of standards of image quality C.Conduct of film analysis every month D.Establishment of standard darkroom techniques and conduct darkroom QC checks

18 E.Conduct of preventive maintenance and quality control checks F.Establishment of standard protocols in performing different examination G.Establishment of a radiation safety program H.Conduct of continuous education and training

19 The purpose of A QC testing program

20 The purpose of a QC testing program Is to maintain the quality of diagnostic images. This is done with routine monitoring of photographic and x-ray equipment parameters to detect deviations of equipment performance and take prompt corrective action.

21 QC test QC test equipment Equipment acceptance testing QC testing program X-ray equipment QC Photographic equipment QC

22 Quality assurance deals with people A program of QA monitors proper patient scheduling, reception, and preparation and answers the following questions; Is the scheduled examination appropriate for the patient? If so, has the patient been properly instructed before the time of the examination?

23 QA test Equipment performance records and record keeping Equipment appraisal and replacement policy Standardization of exposure Acceptance criteria for diagnostic radiograms Reject-repeat analysis program

24 QA also involves image interpretation or outcome analysis. Refer to TJC 10 step quality assurance program Quality control deals with instrumentation and equipment.

25 Quality control is more tangible and obvious because in this program the radiologist is provided with optimal image produced through good equipment performance and resulting in minimal patient radiation exposure.

26 Quality management program

27 Components for quality management program It should consist of at least the FF. Components: Equipment quality control Administrative responsibilities Risk management Radiation safety program

28 Equipment quality control It involves evaluation of equipment performance to ensure proper image quality, as well as patient and operator safety.

29 Administrative responsibilities It involves the establishment of various processes to accomplish the specific departmental task. Procedure manuals Data collections Scheduling and routing of patients Education of personnel Equipment acquisition Communication with other department

30 Risk management It is the ability to identify potential risk to patients, employees and visitors at the healthcare institution. Nosocomial infections

31 Radiation safety program It is to ensure patient exposure is kept as low as reasonably achievable (ALARA), medical staff, dept. Personnel, and member of the general public are protected from overexposure to ionizing radiation.

32 Personnel protection Time Distance Shielding

33 Other Quality Management/ Quality Improvement Models




37 End

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