8/31/2024 9:15:42 PM |
| Changed Course |
CATALOG INFORMATION
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Discipline and Nbr:
RADT 63A | Title:
RAD PHYSICS/IMAGING SYST |
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Full Title:
Radiation Physics and Medical Imaging Systems |
Last Reviewed:9/25/2023 |
Units | Course Hours per Week | | Nbr of Weeks | Course Hours Total |
Maximum | 3.00 | Lecture Scheduled | 2.00 | 17.5 max. | Lecture Scheduled | 35.00 |
Minimum | 3.00 | Lab Scheduled | 3.00 | 17.5 min. | Lab Scheduled | 52.50 |
| Contact DHR | 0 | | Contact DHR | 0 |
| Contact Total | 5.00 | | Contact Total | 87.50 |
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| Non-contact DHR | 0 | | Non-contact DHR Total | 0 |
| Total Out of Class Hours: 70.00 | Total Student Learning Hours: 157.50 | |
Title 5 Category:
AA Degree Applicable
Grading:
Grade Only
Repeatability:
00 - Two Repeats if Grade was D, F, NC, or NP
Also Listed As:
Formerly:
Catalog Description:
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In this course, students will learn digital aspects of radiography, principles of radiographic exposure and formulation of radiographic technique, including principles of general and applied physics, electromagnetics, digital imaging, electrostatics, x-ray tube quality control, radiologic equipment and accessories, and imaging equipment and accessories.
Prerequisites/Corequisites:
Course Completion of RADT 61A
Recommended Preparation:
Limits on Enrollment:
Acceptance to Program
Schedule of Classes Information
Description:
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In this course, students will learn digital aspects of radiography, principles of radiographic exposure and formulation of radiographic technique, including principles of general and applied physics, electromagnetics, digital imaging, electrostatics, x-ray tube quality control, radiologic equipment and accessories, and imaging equipment and accessories.
(Grade Only)
Prerequisites:Course Completion of RADT 61A
Recommended:
Limits on Enrollment:Acceptance to Program
Transfer Credit:CSU;
Repeatability:00 - Two Repeats if Grade was D, F, NC, or NP
ARTICULATION, MAJOR, and CERTIFICATION INFORMATION
Associate Degree: | Effective: | | Inactive: | |
Area: | | |
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CSU GE: | Transfer Area | | Effective: | Inactive: |
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IGETC: | Transfer Area | | Effective: | Inactive: |
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CSU Transfer: | Transferable | Effective: | Fall 1981 | Inactive: | |
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UC Transfer: | | Effective: | | Inactive: | |
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C-ID: |
Certificate/Major Applicable:
Both Certificate and Major Applicable
COURSE CONTENT
Student Learning Outcomes:
At the conclusion of this course, the student should be able to:
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1. Evaluate the performance of digital radiographic systems.
2. Apply principles of radiation physics in the practice of general radiology and radiation protection.
3. Process and manipulate radiographic images for diagnostic quality.
Objectives:
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At the conclusion of this course, the student should be able to:
1. Explain principles of general and applied physics as they apply to radiologic technology.
2. Explain the use of radiographic equipment and accessories.
3. Describe the laws of electrostatics and their application to radiologic technology critical for patients.
4. Identify the components of computed and digital radiography systems.
5. Identify problem-solving remedies to digital readers.
6. Demonstrate accurate use of radiographic technique.
7. Explain electromagnetism and its implication in medical imaging.
8. Demonstrate quality control techniques in image processing and equipment.
9. List important components of a digital imaging system.
10. Identify steps of processing, manipulation, and archiving of digital images.
11. Explain the relationship between the radiation exposure and sensitivity index of image receptors.
Topics and Scope
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I. Fundamental Units
A. Length
B. Mass
C. Time
II. Derived Units
A. Area
B. Volume
C. Density
D. Temperature
III. Systems of Measurement
A. Conventional
B. Metric/International System of Units (SI)
IV. Electrostatics and Electromagnetism
A. Charge
B. Field
C. Applications
V. Radiographic Technique
A. Kilovoltage
B. Milliamperage
C. Time
D. Phototiming
E. Technique charts
1. Fixed kVp (kilovoltage peak)
2. Variable kVp
VI. X-Ray Production
A. Source of free electrons
B. Acceleration of electrons
C. Focusing of electrons
D. Deceleration of electrons
VII. Target Interactions
A. Bremsstrahlung
B. Characteristic
VIII. X-Ray Beam
A. Frequency and wavelength
B. Beam characteristics
1. Quality
2. Quantity
3. Primary vs. remnant
C. Inverse square law
D. Fundamental properties
IX. Photon Interactions with Matter
A. Compton
B. Photoelectric
C. Coherent scatter
D. Attenuation by various tissues
X. Imaging Equipment
A. Operating console
B. X-Ray tube construction
C. Automatic exposure control
D. Manual exposure controls
E. Beam restriction
F. X-Ray circuitry
1. Generator
2. Transformer
3. Rectification
G. Fluoroscopic unit
1. Image receptor
a. Image intensifiers
b. Flat panel
2. Viewing systems
3. Recording systems
4. Automatic brightness control
5. Magnification mode
H. Components of digital imaging
1. Computed Radiography (CR) Components
2. Direct Digital Radiography (DR) Components
XI. Image Processing and Display
A. Raw data
B. Corrected data
C. Data for display
D. Post processing
E. Display monitors
F. Imaging Informatics
1. Digital Imaging Communication in Medicine (DICOM)
2. Picture Archive Communication System (PACS)
3. Radiology Information System (RIS) / Hospital Information System (HIS)
4. Electronic Medical Record (EMR) / Electronic Health Record (EHR)
XII. Criteria for Image Evaluation
A. Exposure indicator/s-value
B. Quantum mottle
C. Exposure error
D. Contrast resolution
E. Spatial resolution
F. Distortion
G. Identification markers
H. Image artifacts
I. Radiation fog
XIII. Quality Control (QC) of Imaging Equipment
A. Beam restriction
B. Recognition of malfunctions
C. Digital receptors
1. Maintenance
2. QC tests
3. Display monitor quality assurance
D. Shielding accessories - lead apron and glove testing
XIV. Digital Imaging Characteristics
A. Spatial resolution
1. Pixels
2. Detector elements
3. Matrix size
4. Sampling frequency
B. Contrast resolution
C. Image signal
1. Dynamic range
2. Quantum noise
3. Signal to noise ratio
4. Contrast to noise ratio
XV. Radiographic Accessories
A. Grids
B. Cones
C. Screens/film
D. Shielding
E. Computed radiography image receptors
F. Direct digital radiography image receptors
XVI. Units of Measurements
A. Gray
B. Sievert
C. Roentgen
D. Kerma
E. Rad
F. Conversion factors
Lab:
XVII. Laboratory Experiments
A. Manipulation of radiographic exposure
1. mAs (milliampere-seconds)
2. kVp
3. Source Image Receptor Difference (SID)
4. Time
5. Focal Spot
6. Object Image Receptor Difference (OID)
B. Adjusting kVp to improve density, contrast and resolution
C. Adjusting mAs to improve density, contrast and resolution
D. Inverse square law
E. mAs-distance conversions
F. Spatial resolution
1. SID
2. OID
3. Focal Spot
G. Magnification
H. Distortion
I. Grids
J. Collimation
K. Control of scatter radiation
Assignments:
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Lecture-Related Assignments:
1. Participation in class discussion
2. Weekly chapter reading (10-40 pages/week)
3. Quizzes (8-12), mid-term exam (1), and written final exam (1)
Lab-Related Assignments:
1. Complete weekly lab reports on x-ray circuitry, x-ray production, x-ray emission, technique factor manipulation and image quality
2. Completion of a technique chart project
3. Final lab exam (1)
4. Weekly chapter assignments
Methods of Evaluation/Basis of Grade.
Writing: Assessment tools that demonstrate writing skill and/or require students to select, organize and explain ideas in writing. | Writing 0 - 10% |
Lab reports; weekly chapter assignments | |
This is a degree applicable course but assessment tools based on writing are not included because skill demonstrations are more appropriate for this course. |
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Problem solving: Assessment tools, other than exams, that demonstrate competence in computational or non-computational problem solving skills. | Problem Solving 10 - 20% |
Technique chart project | |
Skill Demonstrations: All skill-based and physical demonstrations used for assessment purposes including skill performance exams. | Skill Demonstrations 10 - 20% |
Final lab exam | |
Exams: All forms of formal testing, other than skill performance exams. | Exams 70 - 80% |
Quizzes, mid-term exam, and written final exam | |
Other: Includes any assessment tools that do not logically fit into the above categories. | Other Category 0 - 5% |
Participation | |
Representative Textbooks and Materials:
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Radiologic Science for Technologists. 12th ed. Bushong, Stewart. Mosby. 2021.
Radiographic Imagery and Exposure. 6th ed. Fauber, Terri. Mosby. 2021.
Instructor-prepared materials
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