ASRT Online Learning Center

Continuing Education for Radiologic Technologists


Course Description
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Course Information


Course: ASRT Authored Courses, Computed Tomography

Module: CT Basics: Module 6 - Image Quality

Module Description:
This interactive learning module, the sixth in the CT Basics series, illustrates how image quality is a balance between selectable factors and radiation dose to the patient. Quality is an especially important consideration because a poor quality image has to be repeated, doubling the patient’s dose. This course engages participants in the learning process with colorful images and easy-to-understand animations. It includes review questions and is suited for technologists interested in adding CT to their professional skill set. After successful completion of all 12 for-credit modules, you will receive a recognition of achievement award from the ASRT.


Buy the "CT Basics" curriculum totaling 16.00 CE or purchase the 12 modules separately.
Audience: Radiologic Technologists
Prerequisites: None


Learning Objectives
• Discuss factors that affect image quality in CT.
• Explain the methodology used to define image quality in CT.
• Identify CT image artifacts.
• List factors that influence artifacts.
• Identify the tests associated with a quality control program.


Author: Rebecca R. Blankley, R.T.(R)(M)(CT)(MR)


About the author: Rebecca Blankley is a CT technologist at the University of New Mexico in Albuquerque, N.M.




Author: ASRT: American Society of Radiologic Technologists
About the author: The mission of the American Society of Radiologic Technologists is to advance the medical imaging and radiation therapy profession and to enhance the quality of patient care.
Sponsor and/or Accreditation: American Society of Radiologic Technologists
Credits: 1.00
Price: $20.00