Course Number and Title:
RAD 141 Principles of Radiographic Imaging II
Prerequisites
Prerequisite: RAD 140
Course Credits and Hours
3 credit(s)
3 lecture hours/week
0 lab hours/week
Course Description
This course provides the student with an in-depth knowledge of radiographic imaging principles that include image quality factors, anatomic/pathologic variances, exposure systems, and image acquisition methods.
Additional Materials
Radiologic Technology Student Handbook Separate instructor handouts and assignments
Disclaimer
In order to achieve the maximum benefit from this course of instruction, the student is responsible for attending scheduled classes, completing all readings and instructor assignments, and actively participating in class discussion and activities. The instructor will announce the schedule for written tests.
Core Course Performance Objectives (CCPOs)
- Analyze the quality factors governing the radiographic image. (CCC: 1, 2, 5, 6; PGC: 1, 4)
- Discuss the effects of anatomic/pathologic variances on the radiographic image. (CCC: 1, 2, 3, 6; PGC: 1, 2, 3, 4)
- Solve and discuss clinical application of exposure conversions. (CCC: 2, 3, 6; PGC: 1, 3, 4)
- Compare and contrast the various exposure systems used in radiography. (CCC: 1, 2, 5, 6; PGC: 1, 2, 3, 4)
- Describe the methods of image acquisition in digital radiography. (CCC: 1, 2, 6; PGC: 1, 3, 4)
See Core Curriculum Competencies and Program Graduate Competencies at the end of the syllabus. CCPOs are linked to every competency they develop.
Measurable Performance Objectives (MPOs)
Upon completion of this course, the student will:
- Analyze the quality factors governing the radiographic image.
- Assess image receptor exposure, and analyze the relationship of factors affecting it.
- Define contrast, and analyze the relationship of factors affecting it.
- Differentiate between subject contrast and receptor contrast.
- Define spatial resolution, and analyze the relationship of factors affecting it.
- Define distortion, and analyze the relationship of factors affecting it.
- Differentiate between shape distortion and size distortion.
- Compare and contrast exposure latitude and dynamic range.
- Discuss the effects of anatomic/pathologic variances on the radiographic image.
- Define attenuation, and describe characteristics that affect it.
- List and describe the four major body types and their effect on exposure factors.
- Discuss the influence of the patient's age and gender on technique selection.
- List the major body regions, and discuss exposure selection for each region.
- Discuss the effects of pathologic conditions on exposure selection.
- Solve and discuss clinical application of exposure conversions.
- Solve and apply the following exposure relationships:
- 15% rule
- mA/time (reciprocity law)
- Inverse square law
- Direct square law (exposure maintenance formula)
- Focal spot blur
- Grid conversions
- Compare and contrast the various exposure systems used in radiography.
- Explain the purpose of technique charts in terms of standardization of exposure and image consistency.
- Discuss considerations involved in technique selection.
- Distinguish among various types of exposure systems (technique charts) to include manual techniques, automatic exposure control, and anatomically programmed radiography.
- Describe the methods of image acquisition in digital radiography.
- Compare and contrast computed radiography (CR) and direct radiography (DR).
- Evaluate detector characteristics to include detective quantum efficiency (DQE), modulation transfer function (MTF), and spatial resolution.
- Discuss the impact of dynamic range and bit depth on digital image processing.
- Analyze patient exposure considerations in digital image acquisition.
- Discuss raw data extraction from digital receptors.
- Analyze and interpret exposure indicators and deviation index.
- Identify digital image artifacts and methods for correction.
Evaluation Criteria/Policies
The grade will be determined using the Delaware Tech grading system:
| 90-100 |
= |
A |
| 80-89 |
= |
B |
| 70-79 |
= |
C |
| 0-69 |
= |
F |
Students should refer to the
Catalog/Student Handbook for information on the Academic Standing Policy, the Academic Integrity Policy, Student Rights and Responsibilities, and other policies relevant to their academic progress.
Final Course Grade
Calculated using the following weighted average
|
Evaluation Measure
|
Percentage of final grade
|
|
Exams (6)
|
85%
|
|
Quizzes / Assignments (formative)
|
15%
|
|
TOTAL
|
100%
|
Program Graduate Competencies (PGCs are the competencies every graduate will develop specific to his or her major)
- Demonstrate clinical competence by performing a full range of radiologic procedures on all patient populations.
- Professionally utilize verbal, nonverbal and written communication in patient care intervention and professional relationships.
- Demonstrate professional growth and development by practicing the profession's code of ethics and comply with the profession's scope of practice.
- Demonstrate critical thinking and problem solving skills in the performance of radiographic procedures.
Core Curriculum Competencies (CCCs are the competencies every graduate will develop)
- Apply clear and effective communication skills.
- Use critical thinking to solve problems.
- Collaborate to achieve a common goal.
- Demonstrate professional and ethical conduct.
- Use information literacy for effective vocational and/or academic research.
- Apply quantitative reasoning and/or scientific inquiry to solve practical problems.
Students in Need of Accommodations Due to a Disability
We value all individuals and provide an inclusive environment that fosters equity and student success. The College is committed to providing reasonable accommodations for students with disabilities. Students are encouraged to schedule an appointment with the campus Disabilities Support Counselor to request an accommodation needed due to a disability. The College's policy on accommodations for persons with disabilities can be found in the College's Guide to Requesting Academic Accommodations and/or Auxiliary Aids Students may also access the Guide and contact information for Disabilities Support Counselors through the Student Resources web page under Disabilities Support Services, or visit the campus Advising Center.