Finals | PPT 4 Medical Imaging Informatics Systems Evaluation and Quality Assurance Flashcards
1
Q
Any facility in which radiation is used in any procedure that involves irradiation of any part of the human for the purpose of diagnosis or evaluation
A
DIAGNOSTIC FACILTY
2
Q
Organized effort by the staff operating a facility to ensure that the diagnostic images produced are of sufficiently high quality
A
QUALITY ASSURANCE PROGRAM
3
Q
Consistently provide adequate diagnostic information at the lowest possible cost with least possible exposure of the patient to radiation.
A
QUALITY ASSURANCE PROGRAM
4
Q
Reduction in lost and misplaced films and reports
A
PRINCIPLE OF PACS
5
Q
Reduction of exposures because of the ability to process images
A
PRINCIPLE OF PACS
6
Q
Improved diagnostic accuracy because of image processing
A
PRINCIPLE OF PACS
7
Q
Faster diagnosis
A
PRINCIPLE OF PACS
8
Q
Increase efficiency of departmental operations
A
PRINCIPLE OF PACS
9
Q
Saving in archiving personnel
A
PRINCIPLE OF PACS
10
Q
Savings in capital cost for darkrooms and storage space
A
PRINCIPLE OF PACS
11
Q
TECHNOLOGICAL EVALUATION OF PACS
TO BE CONSIDERED:
A
- Performance criteria
- Requirements for integration in the existing situation (imaging devices, HIS, public telecommunication networks)
12
Q
TECHNOLOGICAL EVALUATION OF PACS
MAIN ISSUES:
A
- Technical performance of the system
- Integration of system with existing imaging devices
- Integration of the system with the RIS and HIS
13
Q
Involves a direct comparison with conventional diagnostic activity carried our on films
A
CLINICAL EVALUATION OF PACS
14
Q
CLINICAL EVALUATION OF PACS
MAIN ISSUES:
A
- Clinical acceptability of the system
- Ease of use
- Diagnostic efficacy (CRT vs. Film)
15
Q
Transmission of a full set of full integrity of images to a center distant from where the images were generated
A
TELERADIOLOGY
16
Q
TELERADIOLOGY PURPOSE:
A
- Primary diagnostic interpretation
- Expert secondary consultation
- Preoperative surgical planning
17
Q
Provide access to medical image reporting for underserviced centers
A
TELERADIOLOGY
18
Q
Support patient consultations and inform patient treatment decisions
A
TELERADIOLOGY
19
Q
Provide access to image interpretation for remote regions
A
TELERADIOLOGY
20
Q
QUALITY ASSURANCE PROGRAM OBJECTIVES
A
- Maintain optimal quality of diagnostic images
- Reduce unnecessary radiation exposure to patient and staff
- Cost effective
21
Q
Provide reporting in shifts to provide timely interpretations after normal working hours
A
TELERADIOLOGY
22
Q
QUALITY ASSURANCE PROGRAM PRIMARY GOAL
A
Ensure the consistent provision of prompt and accurate diagnosis of patients.
23
Q
QUALITY ASSURANCE PROGRAM Principles
A
- QUALITY CONTROL
- ADMINISTRATIVE PROCEDURE
- PREVENTIVE MAINTENANCE PROCEDURE
- TRAINING
24
Q
Involves specific actions design to keep measurable aspects of the process involved in manufacturing a product (image) or providing a service within specified limits
A
QUALITY CONTROL
25
QUALITY CONTROL aka
“INTEGRAL PART OF QUALITY ASSURANCE”
26
QUALITY CONTROL Steps
I. Acceptance testing to detect defects in equipment that is newly installed/undergone major repair
II. Establishment of baseline performance of the equipment
III. Detection and diagnosis of changes in equipment performance before they become apparent in images
IV. Verification of causes of deterioration in equipment and have it corrected
ABCD
27
Designed to verify that QC testing is effective
ADMINISTRATIVE PROCEDURE
28
ADMINISTRATIVE PROCEDURE includes recommendations regarding the responsibility for (1), (2), (3) and selection
of the (4) for each examination
1. QA action
2. staff training
3. equipment standards
4. appropriate equipment
29
Performed on a regularly scheduled basis
PREVENTIVE MAINTENANCE PROCEDURE
30
Prevent breakdowns due to equipment failing w/o warning signs detectable
PREVENTIVE MAINTENANCE PROCEDURE
31
Visual inspection of mechanical and electrical characteristics of XR system
PREVENTIVE MAINTENANCE PROCEDURE
32
Renovating the manufacturer’s recommended procedures for cleaning and maintenance of equipment
PREVENTIVE MAINTENANCE PROCEDURE
33
Regular inspection and replacement of switches and parts that routinely wear out/fail
PREVENTIVE MAINTENANCE PROCEDURE
34
Provide appropriate training for all personnel w/ QA responsibilities (especially those directly involved with QC testing)
TRAINING
35
Ensure each meet a minimum level of competency to perform QC test correctly and consistently
TRAINING
36
Provide seminars and training courses on how to perform QC test
TRAINING
37
Personnel in the program who are responsible for the oversight of the QA program
QUALITY ASSURANCE COMMITTEE
38
Setting the goals and direction, determining policies and assessing the effectiveness of QA activities
QUALITY ASSURANCE COMMITTEE
39
QA COMMITTEE
1. MEDICAL PHYSICIST
2. RADIOLOGIST
3. BIOMEDICAL ENGINEER
4. MEDICAL IMAGING TECHNOLOGIST AND RADIOGRAPHER
5. INFORMATION TECHNOLOGY (IT) TECHNICIAN
MR BMI
40
Competent to independently practice in one or more of the subfields of medical physics
MEDICAL PHYSICIST
41
Advising the facility on radiation protection of the patient, staff and members of the public
MEDICAL PHYSICIST
42
Conducting tests to ensure the safety and performance of the equipment
MEDICAL PHYSICIST
43
Assignment of biomedical engineering service staff for corrective maintenance or preventive actions
MEDICAL PHYSICIST
44
Training of personnel utilized for QC
MEDICAL PHYSICIST
45
Develop and implement a radiation protection program
MEDICAL PHYSICIST
46
MEDICAL DOCTOR who specializes in the diagnosis and treatment of disease and injury by using medical imaging technologies
RADIOLOGIST
47
Determine the overall quality of the image
RADIOLOGIST
48
Select the technologist to be the primary QC technologist, performing the prescribed QC tests
RADIOLOGIST
49
Ensure the appropriate test equipment and materials are available to perform QC test
RADIOLOGIST
50
Ensuring the medical physicist and radiographers have adequate training and continuous education
RADIOLOGIST
51
Use their knowledge of modern biological principle in their engineering principle to design and develop devices and procedures that solve medical and health-related problems
BIOMEDICAL ENGINEER
52
Corrective and preventive maintenance
BIOMEDICAL ENGINEER
53
Fault reporting
BIOMEDICAL ENGINEER
54
Ensuring that the appropriate protocol and technique factors are used for the requested examination
MEDICAL IMAGING TECHNOLOGIST AND RADIOGRAPHER
55
Ensuring the QC tests are performed, interpreted and recorded appropriately
MEDICAL IMAGING TECHNOLOGIST AND RADIOGRAPHER
56
Perform all the checks for the daily, monthly and quarterly QC testing of equipment
MEDICAL IMAGING TECHNOLOGIST AND RADIOGRAPHER
57
Report faults immediately any deviation in trend of equipment performance to QA manager
MEDICAL IMAGING TECHNOLOGIST AND RADIOGRAPHER
58
Undertaking additional continuous education courses
MEDICAL IMAGING TECHNOLOGIST AND RADIOGRAPHER
59
IT has a key element of any digital radiology facility that intends to store, review and distribute image electronically
or using hard copy.
INFORMATION TECHNOLOGY (IT) TECHNICIAN
60
Maintenance of the integrity of the system database to ensure continuous and accurate operation of the information systems (PLANNING, DEPLOYMENT, TESTING)
INFORMATION TECHNOLOGY (IT) TECHNICIAN
61
INFORMATION TECHNOLOGY (IT) TECHNICIAN
Maintenance of the integrity of the system database to ensure continuous and accurate operation of the information systems (1, 2, 3)
1. PLANNING
2. DEPLOYMENT
3. TESTING
62
Comprehensive set of activities designed to monitor and maintain systems that produce a product
QUALITY CONTROL
63
QUALITY CONTROL Steps
1. PURCHASING EQUIPMENT
2. IDENTIFICATION OF IMAGING REQUIREMENTS
3. DEVELOPMENT OF EQUIPMENT SPECIFICATIONS
4. SELECTION OF EQUIPMENT
5. INSTALLATION AND ACCEPTANCE TESTING OF EQUIPMENT
PRESS IA
64
Identification of imaging requirements
PURCHASING EQUIPMENT
65
Development of equipment specifications
PURCHASING EQUIPMENT
66
Selection of equipment
PURCHASING EQUIPMENT
67
Installation and testing of equipment
PURCHASING EQUIPMENT
68
Continuing education
PURCHASING EQUIPMENT
69
IDENTIFICATION OF IMAGING REQUIREMENTS Team Input
ü Radiologist
ü Administrators
ü Supervisors
ü Staff technologists
70
Person determining specifications must have a technical background
DEVELOPMENT OF EQUIPMENT SPECIFICATIONS
71
Once specification have been selected, they send it to vendors for bidding
DEVELOPMENT OF EQUIPMENT SPECIFICATIONS
72
SELECTION OF EQUIPMENT Compare bids for:
ü Ability to meet required specifications
ü Costs
ü Service
73
INSTALLATION AND ACCEPTANCE TESTING OF EQUIPMENT is the responsibility of ---
vendor/ manufacturer
74
QC must verify that acceptance testing specifications are met
INSTALLATION AND ACCEPTANCE TESTING OF EQUIPMENT
75
Include full disclosure of exact evaluation methods in specifications
INSTALLATION AND ACCEPTANCE TESTING OF EQUIPMENT
76
Provide a baseline to reference with future QC testing
INSTALLATION AND ACCEPTANCE TESTING OF EQUIPMENT
77
CONTINUING EDUCATION APPLICATIONS is the responsibility of ---
QC and education coordinators
78
Should include orientation and periodic updates to main issues to consider:
o Clinical acceptability of the system
CONTINUING EDUCATION APPLICATIONS
79
Monitor quality of image processing systems
MONITORING EQUIPMENT PERFORMANCE
80
Measure quality of external radiation beam
MONITORING EQUIPMENT PERFORMANCE
81
Specify faults within these systems to allow corrective measures to be taken
MONITORING EQUIPMENT PERFORMANCE
82
Professional service personnel or medical physicist not required
RESPONSIBILITY
83
Radiographers can perform necessary daily testing
ü Initial costs to purchase test equipment
ü Time must be allotted in technologist work day to complete tasks
RESPONSIBILITY
84
Ensures that the processor is operating within proper limits
PROCESSOR MONITORING
85
Can be performed by ANYONE trained on the equipment used
PROCESSOR MONITORING
86
PROCESSOR MONITORING Tests include:
ü Safelight test, processory sensitometry (speed, contrast and base fog film)
- Corrective actions should be made
87
Test should be performed by a radiographer
EXTERNAL BEAM EVALUATION
88
Corrective action by authorized service person
EXTERNAL BEAM EVALUATION
89
DIAGNOSTIC RADIOGRAPHIC SYSTEMS (Semi-annual schedule)
1. Focal spot size estimation
2. Half-value layer
3. Angulator or proctactor accuracy
4. Kilovoltage accuracy
5. Timer accuracy
6. Collimator, central ray and bucky tray accuracy
7. Distance and centering
8. mR / mAs and mA linearity
9. Exposure reproducibility
HEAT KFC MD
90
CONVENTIONAL X-RAY Acceptance Test includes:
Equipment Visual Check Test
91
■ Equipment Visual Check Test includes:
✓ Control Panel
✓ Collimator/ Indicator/ Locks
✓ Upright Bucky
✓ General
UC GC
92
CONVENTIONAL X-RAY Commissioning Test includes:
1. System assembly evaluation
2. Collimation assessment
3. kVp accuracy and reproducibility
4. Exposure reproducibility and beam quantity (mR/mAs)
5. Radiographic AEC system performance assessment
6. Focal Spot Size
7. Beam quality assessment (HVL)
8. Equipment warm-up test
9. View boxes and viewing conditions
10. Phantom image quality evaluation
11. Laser Film Printer Quality Control Test
12. Protective Shielding Test
VP FRECKLES BP
93
CONVENTIONAL X-RAY QC Test
1. Visual check list
2. Equipment warm-up
3. Calibration
4. Kvp Reproducibility
5. mAs Linearity
6. Focal spot test
7. Collimation
8. Automatic Exposure Control
9. Filtration Test
10. Image plate and artifact Test
11. Computed Radiographic cassette integrity check
12. Weekly Laser Film Printer Quality Control
13. View box check
14. Protective Shielding Integrity
VVE WI C KFCMC FAP
94
Visual check list
Daily
Medical Imaging Technologist/ Radiographer
95
Equipment warm-up
Daily
Medical Imaging Technologist/ Radiographer
96
Calibration
Annually
Medical Imaging Technologist/ Radiographer, Biomedical engineer and Medical Physicist
97
Kvp Reproducibility
Annually
Medical Physicist
98
mAs Linearity
Annually
Medical Physicist
99
Focal spot test
Initially and after replacement of tube
Medical Imaging Technologist and Medical Physicist
100
Collimation
Annually and after service
Medical Imaging Technologist/ Radiographer, Biomedical engineer and Medical Physicist
101
Automatic Exposure Control
Initially and Annually
Biomedical engineer and Medical Physicist
102
Filtration Test
Annually
Medical Physicist
103
Image plate and artifact Test
Weekly
Medical Imaging Technologist and Medical Physicist
104
Computed Radiographic cassette integrity check
Quarterly
Medical Imaging Technologist and Medical Physicist
105
Weekly Laser Film Printer Quality Control
Weekly
Medical Imaging Technologist and Medical Physicist
106
View box check
Daily
Medical Imaging Technologist
107
Protective Shielding Integrity
Medical Imaging Technologist
