Course Number and Title:
RAD 141 Principles of Radiographic Imaging II
Prerequisites
Prerequisite: RAD 140
Course Credits and Hours
2 credit(s)
2 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
None
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)
- 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 and processing 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.
- Analyze factors that influence image receptor exposure.
- Define contrast and analyze the relationship of factors affecting contrast.
- Differentiate between subject contrast and receptor contrast.
- Define spatial resolution and analyze the relationship of factors affecting resolution.
- Solve problems using the formula for focal spot blur.
- Define distortion and analyze the relationship of factors affecting size and shape distortion.
- Compare and contrast exposure latitude and dynamic range.
- Discuss the effects of anatomic/pathologic variances on the radiographic image.
- Define attenuation and describe beam and patient characteristics that affect attenuation.
- 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.
- 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 exposure technique selection.
- Distinguish among various types of exposure systems to include manual techniques, automatic exposure control, and anatomically programmed radiography.
- Describe the methods of image acquisition and processing in digital radiography.
- Compare and contrast computed radiography (CR) and digital flat panel 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.
- Compare and contrast digital equipment preprocessing and post-processing functions.
- Analyze image acquisition errors to include histogram analysis, low intensity radiation response, and scatter.
- Describe display monitor characteristics and image evaluation criteria.
- Discuss data management systems to include hospital information system (HIS), radiology information system (RIS), medical image management and processing system (MIMPS; formerly known as PACS), and digital imaging and communications in medicine (DICOM).
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 |
Summative Assessments |
- Exams (5-equally weighted)
| 85% |
Formative Assessments |
| 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.