Week 10A Chapter 31 QC for film and digital imaging

Week 10A Chapter 31 QC for film and digital imaging -...

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Chapter 31 Quality Control Two areas of activity are designed to ensure the best possible image quality with the lowest possible exposure and minimum costs. Quality Assurance deals with people Quality Control deals with instrumentation and equipment.
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Ten Step Approach to Quality Assurance 1. Assign responsibility 2. Delineate scope of care 3. Identify aspects of care 4. Identify outcomes that effect the aspects of care. 5. Establish limits of the scope of assessment.
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Ten Step Approach to Quality Assurance 6. Collect and organize data. 7. Evaluate care when outcomes are reached. 8. Take action to improve care 9. Assess and document actions 10.Communicate information to organization-wide QA Program
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QA Projects Things that QA can evaluate includes Scheduling of patients Instructions given to patients Wait times in the office Interpretation of films Retake analysis Record accuracy
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QA Program Quality Assurance deals with people and processes used to complete tasks. QA involves training and record keeping. As the owner of the equipment, you will be responsible for your radiology services. The State of California Department of Radiologic Health established the Standards of Good Practice that is the foundation of QA and QC in radiography.
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QA and QC Requirements Degree of requirements vary by state. California and New York have very tight standards for quality control of the radiographic and processing equipment. We are required by statue to teach QA and QC in the radiology program. It is covered in detail in 9 th Quarter. My textboook covers QC in detail.
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Quality Control An acceptable QC program has three steps: 1. Acceptance Testing 2. Routine performance monitoring 3. Maintenance
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Acceptance Testing The x-ray machine, cassettes and film processor or digital system are the largest capital expense you may experience. It makes economic sense to make sure that the equipment meets the performance standards. It is recommended that a third party such as a health physicist do the testing.
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Acceptance Testing Areas that should be tested include on the x-ray machine: Shielding of Room Focal spot size Calibration of mA, timer or mAs Calibration of kVp Linearity of exposure Beam alignment Grid centering Collimation Filtration (HVL)
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Acceptance Testing Areas that should be tested on the x-ray cassettes: Screen contact Screen speed Light leaks Light spectrum matching
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Acceptance Testing Areas that should be tested on the x-ray film processor: Developer temperature Replenishment rates Travel time Water flow Hypo retention
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Quality Control The acceptance testing ensures that the machine was installed and calibrated properly. The performance may drift or deteriorate
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This note was uploaded on 01/03/2012 for the course LC 232 taught by Professor Wilson during the Fall '08 term at Palmer Chiropractic.

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Week 10A Chapter 31 QC for film and digital imaging -...

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