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

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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

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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

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4
Q

Reduction in lost and misplaced films and reports

A

PRINCIPLE OF PACS

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5
Q

Reduction of exposures because of the ability to process images

A

PRINCIPLE OF PACS

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6
Q

Improved diagnostic accuracy because of image processing

A

PRINCIPLE OF PACS

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7
Q

Faster diagnosis

A

PRINCIPLE OF PACS

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8
Q

Increase efficiency of departmental operations

A

PRINCIPLE OF PACS

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9
Q

Saving in archiving personnel

A

PRINCIPLE OF PACS

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10
Q

Savings in capital cost for darkrooms and storage space

A

PRINCIPLE OF PACS

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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)
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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
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13
Q

Involves a direct comparison with conventional diagnostic activity carried our on films

A

CLINICAL EVALUATION OF PACS

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14
Q

CLINICAL EVALUATION OF PACS

MAIN ISSUES:

A
  • Clinical acceptability of the system
  • Ease of use
  • Diagnostic efficacy (CRT vs. Film)
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15
Q

Transmission of a full set of full integrity of images to a center distant from where the images were generated

A

TELERADIOLOGY

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16
Q

TELERADIOLOGY PURPOSE:

A
  • Primary diagnostic interpretation
  • Expert secondary consultation
  • Preoperative surgical planning
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17
Q

Provide access to medical image reporting for underserviced centers

A

TELERADIOLOGY

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18
Q

Support patient consultations and inform patient treatment decisions

A

TELERADIOLOGY

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19
Q

Provide access to image interpretation for remote regions

A

TELERADIOLOGY

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20
Q

QUALITY ASSURANCE PROGRAM OBJECTIVES

A
  1. Maintain optimal quality of diagnostic images
  2. Reduce unnecessary radiation exposure to patient and staff
  3. Cost effective
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21
Q

Provide reporting in shifts to provide timely interpretations after normal working hours

A

TELERADIOLOGY

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22
Q

QUALITY ASSURANCE PROGRAM PRIMARY GOAL

A

Ensure the consistent provision of prompt and accurate diagnosis of patients.

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23
Q

QUALITY ASSURANCE PROGRAM Principles

A
  1. QUALITY CONTROL
  2. ADMINISTRATIVE PROCEDURE
  3. PREVENTIVE MAINTENANCE PROCEDURE
  4. TRAINING
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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

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25
Q

QUALITY CONTROL aka

A

“INTEGRAL PART OF QUALITY ASSURANCE”

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26
Q

QUALITY CONTROL Steps

A

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

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27
Q

Designed to verify that QC testing is effective

A

ADMINISTRATIVE PROCEDURE

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28
Q

ADMINISTRATIVE PROCEDURE includes recommendations regarding the responsibility for (1), (2), (3) and selection
of the (4) for each examination

A
  1. QA action
  2. staff training
  3. equipment standards
  4. appropriate equipment
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29
Q

Performed on a regularly scheduled basis

A

PREVENTIVE MAINTENANCE PROCEDURE

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30
Q

Prevent breakdowns due to equipment failing w/o warning signs detectable

A

PREVENTIVE MAINTENANCE PROCEDURE

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31
Q

Visual inspection of mechanical and electrical characteristics of XR system

A

PREVENTIVE MAINTENANCE PROCEDURE

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32
Q

Renovating the manufacturer’s recommended procedures for cleaning and maintenance of equipment

A

PREVENTIVE MAINTENANCE PROCEDURE

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33
Q

Regular inspection and replacement of switches and parts that routinely wear out/fail

A

PREVENTIVE MAINTENANCE PROCEDURE

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34
Q

Provide appropriate training for all personnel w/ QA responsibilities (especially those directly involved with QC testing)

A

TRAINING

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35
Q

Ensure each meet a minimum level of competency to perform QC test correctly and consistently

A

TRAINING

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36
Q

Provide seminars and training courses on how to perform QC test

A

TRAINING

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37
Q

Personnel in the program who are responsible for the oversight of the QA program

A

QUALITY ASSURANCE COMMITTEE

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38
Q

Setting the goals and direction, determining policies and assessing the effectiveness of QA activities

A

QUALITY ASSURANCE COMMITTEE

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39
Q

QA COMMITTEE

A
  1. MEDICAL PHYSICIST
  2. RADIOLOGIST
  3. BIOMEDICAL ENGINEER
  4. MEDICAL IMAGING TECHNOLOGIST AND RADIOGRAPHER
  5. INFORMATION TECHNOLOGY (IT) TECHNICIAN

MR BMI

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40
Q

Competent to independently practice in one or more of the subfields of medical physics

A

MEDICAL PHYSICIST

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41
Q

Advising the facility on radiation protection of the patient, staff and members of the public

A

MEDICAL PHYSICIST

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42
Q

Conducting tests to ensure the safety and performance of the equipment

A

MEDICAL PHYSICIST

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43
Q

Assignment of biomedical engineering service staff for corrective maintenance or preventive actions

A

MEDICAL PHYSICIST

44
Q

Training of personnel utilized for QC

A

MEDICAL PHYSICIST

45
Q

Develop and implement a radiation protection program

A

MEDICAL PHYSICIST

46
Q

MEDICAL DOCTOR who specializes in the diagnosis and treatment of disease and injury by using medical imaging technologies

A

RADIOLOGIST

47
Q

Determine the overall quality of the image

A

RADIOLOGIST

48
Q

Select the technologist to be the primary QC technologist, performing the prescribed QC tests

A

RADIOLOGIST

49
Q

Ensure the appropriate test equipment and materials are available to perform QC test

A

RADIOLOGIST

50
Q

Ensuring the medical physicist and radiographers have adequate training and continuous education

A

RADIOLOGIST

51
Q

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

A

BIOMEDICAL ENGINEER

52
Q

Corrective and preventive maintenance

A

BIOMEDICAL ENGINEER

53
Q

Fault reporting

A

BIOMEDICAL ENGINEER

54
Q

Ensuring that the appropriate protocol and technique factors are used for the requested examination

A

MEDICAL IMAGING TECHNOLOGIST AND RADIOGRAPHER

55
Q

Ensuring the QC tests are performed, interpreted and recorded appropriately

A

MEDICAL IMAGING TECHNOLOGIST AND RADIOGRAPHER

56
Q

Perform all the checks for the daily, monthly and quarterly QC testing of equipment

A

MEDICAL IMAGING TECHNOLOGIST AND RADIOGRAPHER

57
Q

Report faults immediately any deviation in trend of equipment performance to QA manager

A

MEDICAL IMAGING TECHNOLOGIST AND RADIOGRAPHER

58
Q

Undertaking additional continuous education courses

A

MEDICAL IMAGING TECHNOLOGIST AND RADIOGRAPHER

59
Q

IT has a key element of any digital radiology facility that intends to store, review and distribute image electronically
or using hard copy.

A

INFORMATION TECHNOLOGY (IT) TECHNICIAN

60
Q

Maintenance of the integrity of the system database to ensure continuous and accurate operation of the information systems (PLANNING, DEPLOYMENT, TESTING)

A

INFORMATION TECHNOLOGY (IT) TECHNICIAN

61
Q

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)

A
  1. PLANNING
  2. DEPLOYMENT
  3. TESTING
62
Q

Comprehensive set of activities designed to monitor and maintain systems that produce a product

A

QUALITY CONTROL

63
Q

QUALITY CONTROL Steps

A
  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
Q

Identification of imaging requirements

A

PURCHASING EQUIPMENT

65
Q

Development of equipment specifications

A

PURCHASING EQUIPMENT

66
Q

Selection of equipment

A

PURCHASING EQUIPMENT

67
Q

Installation and testing of equipment

A

PURCHASING EQUIPMENT

68
Q

Continuing education

A

PURCHASING EQUIPMENT

69
Q

IDENTIFICATION OF IMAGING REQUIREMENTS Team Input

A

ü Radiologist
ü Administrators
ü Supervisors
ü Staff technologists

70
Q

Person determining specifications must have a technical background

A

DEVELOPMENT OF EQUIPMENT SPECIFICATIONS

71
Q

Once specification have been selected, they send it to vendors for bidding

A

DEVELOPMENT OF EQUIPMENT SPECIFICATIONS

72
Q

SELECTION OF EQUIPMENT Compare bids for:

A

ü Ability to meet required specifications
ü Costs
ü Service

73
Q

INSTALLATION AND ACCEPTANCE TESTING OF EQUIPMENT is the responsibility of —

A

vendor/ manufacturer

74
Q

QC must verify that acceptance testing specifications are met

A

INSTALLATION AND ACCEPTANCE TESTING OF EQUIPMENT

75
Q

Include full disclosure of exact evaluation methods in specifications

A

INSTALLATION AND ACCEPTANCE TESTING OF EQUIPMENT

76
Q

Provide a baseline to reference with future QC testing

A

INSTALLATION AND ACCEPTANCE TESTING OF EQUIPMENT

77
Q

CONTINUING EDUCATION APPLICATIONS is the responsibility of —

A

QC and education coordinators

78
Q

Should include orientation and periodic updates to main issues to consider:

o Clinical acceptability of the system

A

CONTINUING EDUCATION APPLICATIONS

79
Q

Monitor quality of image processing systems

A

MONITORING EQUIPMENT PERFORMANCE

80
Q

Measure quality of external radiation beam

A

MONITORING EQUIPMENT PERFORMANCE

81
Q

Specify faults within these systems to allow corrective measures to be taken

A

MONITORING EQUIPMENT PERFORMANCE

82
Q

Professional service personnel or medical physicist not required

A

RESPONSIBILITY

83
Q

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

A

RESPONSIBILITY

84
Q

Ensures that the processor is operating within proper limits

A

PROCESSOR MONITORING

85
Q

Can be performed by ANYONE trained on the equipment used

A

PROCESSOR MONITORING

86
Q

PROCESSOR MONITORING Tests include:

A

ü Safelight test, processory sensitometry (speed, contrast and base fog film)

  • Corrective actions should be made
87
Q

Test should be performed by a radiographer

A

EXTERNAL BEAM EVALUATION

88
Q

Corrective action by authorized service person

A

EXTERNAL BEAM EVALUATION

89
Q

DIAGNOSTIC RADIOGRAPHIC SYSTEMS (Semi-annual schedule)

A
  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
Q

CONVENTIONAL X-RAY Acceptance Test includes:

A

Equipment Visual Check Test

91
Q

■ Equipment Visual Check Test includes:

A

✓ Control Panel
✓ Collimator/ Indicator/ Locks
✓ Upright Bucky
✓ General

UC GC

92
Q

CONVENTIONAL X-RAY Commissioning Test includes:

A
  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
Q

CONVENTIONAL X-RAY QC Test

A
  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
Q

Visual check list

A

Daily
Medical Imaging Technologist/ Radiographer

95
Q

Equipment warm-up

A

Daily
Medical Imaging Technologist/ Radiographer

96
Q

Calibration

A

Annually
Medical Imaging Technologist/ Radiographer, Biomedical engineer and Medical Physicist

97
Q

Kvp Reproducibility

A

Annually
Medical Physicist

98
Q

mAs Linearity

A

Annually
Medical Physicist

99
Q

Focal spot test

A

Initially and after replacement of tube
Medical Imaging Technologist and Medical Physicist

100
Q

Collimation

A

Annually and after service
Medical Imaging Technologist/ Radiographer, Biomedical engineer and Medical Physicist

101
Q

Automatic Exposure Control

A

Initially and Annually
Biomedical engineer and Medical Physicist

102
Q

Filtration Test

A

Annually
Medical Physicist

103
Q

Image plate and artifact Test

A

Weekly
Medical Imaging Technologist and Medical Physicist

104
Q

Computed Radiographic cassette integrity check

A

Quarterly
Medical Imaging Technologist and Medical Physicist

105
Q

Weekly Laser Film Printer Quality Control

A

Weekly
Medical Imaging Technologist and Medical Physicist

106
Q

View box check

A

Daily
Medical Imaging Technologist

107
Q

Protective Shielding Integrity

A

Medical Imaging Technologist