Introduction to Quality Assurance

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Army Medical

Introduction to Quality Assurance
Introduction to Quality Assurance
Development
Acknowledgement
Table of Contents
Table of Contents-cont.
Introduction
Credit Awarded
Lesson Assignment
Lesson 1. Quality Assurance and Quality Control
Optimal radiographs.
Quality Control System
Figure 1-2. Sensitometer opened.
Figure 1-4. Thermometer.
Figure 1-6. Collimator and Beam Alignment Test Tools.
Figure 1-8. Star focal spot test tool.
Figure 1-9. Tomographic phantoms.
Record Keeping
Exercises, Lesson 1
Exercises, Lesson 1-cont.
Solutions to Exercises, Lesson 1
Lesson Assignment
Lesson 2. Federal and Military Regulations
Purchase specification procedures.
Standards for image quality.
Military Regulations: Technical Bulletin Medical 521
Figure 2-1. Technical Bulletin (TB) MED 521.
Exercises, Lesson 2
Solutions to Exercises, Lesson 2
Lesson Assignment
Lesson 3. Quality Assurance/Quality Control Monitoring and Maintenance
QA/QC Technician.
Exercises, Lesson 3
Exercises, Lesson 3-cont.
Solution to Exercises, Lesson 3
Lesson Assignment
Lesson 4. Radiographic Unit Quality Control Tests
Figure 4-2. Testing the 60 kVp region.
Figure 4-3. Testing 80 kVp region.
Figure 4-4. Testing 100 kVp region.
Figure 4-5. Testing 120 kVp region.
Evaluation and Interpretation
Section II. Electronic X-Ray Timing and Milliamperes Tests
Equipment/Material
Figure 4-8. Second exposure.
Figure 4-9. Third exposure.
Evaluation and Interpretation
Section III. Focal Spot Quality Control Test
Procedure
Figure 4-11. First exposure with small focal spot.
Evaluation and Interpretation
Section IV. Collimator Quality Control Test
Figure 4-14. Collimator test tool with "A" and "F" markers.
Figure 4-15. Collimator test tool with room number included.
Section V. Automatic Exposure Timer (AET) Quality Control Test
Reproducibility Test
Figure 4-17. Machine factors are set.
Figure 4-18. Machine set on normal density.
Figure 4-20 (continued). Examples of set up for remaining exposures.
Evaluation and Interpretation
Figure 4-21. Same set up as the reproducibility test.
Figure 4-22. Note the "A" identification marker placed on the phantom prior to the first exposure.
Figure 4-23. Set up with markers for 80 through 120.
Field Sensitivity Matching Test
Figure 4-24. Set up remains the same as in reproducibility test.
Density Control Function Test
Figure 4-26. Geometry the same as in the reproducibility test.
Response Capability Test
Figure 4-29. Base section measures only two inches.
Figure 4-30. Set up for 80 kVp (base at six inches).
Backup Timer Set
Figure 4-32. Ready to take AET exposure for backup timer test.
Preventive Maintenance
Exercises, Lesson 4
Exercises, Lesson 4-cont.
Exercises, Lesson 4-cont.
Exercises, Lesson 4-cont.
Exercises, Lesson 4-cont.
Exercises, Lesson 4-cont.
Exercises, Lesson 4-cont.
Solutions to Exercises, Lesson 4
Solutions to Exercises, Lesson 4-cont.
Solutions to Exercises, Lesson 4-cont.
Lesson Assignment
Lesson 5. Flouroscopic Unit Quality Control Tests
Figure 5-2. Place three-inch metal object on table.
Evaluation and Interpretation
Preventive Maintenance
Section II. Beam restriction Adequacy Test
Figure 5-6. Technologist locating the control dot under the fluoroscope.
Perform the beam restriction test in the fluoroscopic mode
Evaluation and Interpretation
Section III. Focusing and Resolution of the Imaging System
Figure 5-7. Equipment for focusing and resolution test.
Evaluation and Interpretation
Section IV. The Exposure Rate Test
Figure 5-9. Centering the dosimeter chamber to center of radiation field.
Preventive Maintenance
Exercises, Lesson 5
Exercises, Lesson 5-cont.
Exercises, Lesson 5-cont.
Exercises, Lesson 5-cont.
Exercises, Lesson 5-cont.
Exercises, Lesson 5-cont.
Solutions to Exercises, Lesson 5
Solutions to Exercises, Lesson 5-cont.
Lesson Assignment
Lesson 6. Tomographic Units Quality Control Tests
Figure 6-2. Placing the cassette in the Bucky tray.
Evaluation and Interpretation
Section II. Exposure Angle Test
Figure 6-3. Select the cut level of 12.5 cm.
Evaluation and Interpretation
Section III. Uniformity of Tomographic Exposure Test
Procedure
Figure 6-5. Position an 8- x 10-inch cassette in the Bucky tray.
Figure 6-7. Cut level indicator set at 12 cm.
Evaluation and Interpretation
Corrective Maintenance
Section IV. Cut Thickness Test
Evaluation and Interpretation
Figure 6-9. Test for all section thickness selections
Section V. Flatness of Plane
Figure 6-10. Cassette is lengthwise in the Bucky tray.
Figure 6-12. Test wedge is to center of upper left quadrant.
Figure 6-13. Cut level indicator set at 12 cm.
Figure 6-14. Placement of tomographic test wedge for remaining field quadrants-cont.
Evaluation and Interpretation
Section VI. Resolution Test
Figure 6-15. Selecting cut level moving up to 10.5 cm.
Figure 6-16. Inserting 8- x 10-inch cassette in Bucky tray.
Preventive Maintenance
Exercises, Lesson 6
Exercises, Lesson 6-cont.
Exercises, Lesson 6-cont.
Exercises, Lesson 6-cont.
Exercises, Lesson 6-cont.
Solutions to Exercises, Lesson 6
Solutions to Exercises, Lesson 6-cont.
Lesson Assignment
Lesson 7. Processors/Darkrooms Quality Control Tests
Figure 7-1. Sensitometer.
Figure 7-3. Digital thermometer with metal stem.
Procedure-cont.
Figure 7-5. Exposed film showing how to use the sensitometer.
Evaluation and Interpretation
Section II. Automatic Processor Accuracy Test-Daily Maintenance
Section III. Safelight Test
Evaluation and Interpretation
Section IV. Darkroom Assurance Light Leak Test
Preventive Maintenance
Exercises, Lesson 7
Exercises, Lesson 7-cont.
Exercises, Lesson 7-cont.
Exercises, Lesson 7-cont.
Exercises, Lesson 7-cont.
Solutions to Exercises, Lesson 7
Solutions to Exercises, Lesson 7-cont.
Lesson Assignment
Lesson 8. Illuminators Quality Control Test
Figure 8-1. First quadrant.
Figure 8-2. Second quadrant.
Figure 8-4. Fourth quadrant.
Corrective Maintenance
Exercises, Lesson 8
Exercises, Lesson 8-cont.
Solutions to Exercises, Lesson 8
Lesson Assignment
Lesson 9. Cassettes/Intensifying Screens Quality Control Tests
Figure 9-1. Densitometer used in making density readings.
Evaluation and Interpretation
Section II. Film-Screen Contact Test
Procedure
Figure 9-4. Cassette being tested with paper clips.
Corrective Maintenance
Exercises, Lesson 9
Exercises, Lesson 9-cont.
Exercises, Lesson 9-cont.
Solutions to Exercises, Lesson 9
Lesson Assignment
Lesson 10. Grid Alignment Quality Control Test
Figure 10-1. Grid alignment test tool at zero position centered.
Evaluation and Interpretation
Corrective Maintenance
Exercises, Lesson 8
Solutions to Exercises, Lesson 8
Lesson Assignment
Lesson 11. Protective Devices Quality Control Tests
Evaluation and Interpretation
Section II. Protective Devices Quality Control Test
Overhead Tube Procedure
Figure 11-2. Test being made of one glove from a pair.
Preventive Maintenance
Exercises, Lesson 11
Exercises, Lesson 11-cont.
Exercises, Lesson 11-cont.
Solutions to Exercises, Lesson 11
Lesson Assignment
Lesson 12. Retake Analysis Program
Various Methods of Procedural Selection
Procedure-cont.
Evaluation and Interpretation
Follow-up
Exercises, Lesson 12
Exercises, Lesson 12-cont.
Solutions to Exercises, Lesson 12

Introduction to Quality Assurance

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