Contrast Media in Medical Imaging

Kori Stewart, Ph.D., RT(R)(CT)(ARRT), CIIP

On demand | Expires 7/1/2023

*Approved by the ASRT for 1 Category A continuing education credit.

This presentation will provide an overview of contrast media use in medical imaging. Viewers will learn about the different types of contrast media, both positive and negative, as well as rules for their appropriate use. Osmosis and its relationship to iodinated ionic and non-ionic contrast agents will be discussed, and best practices for identification and treatment of adverse reactions will be outlined.

Learning Objectives:

After participating in this session, the attendee will be able to:

  • Distinguish positive and negative contrast agents.
  • Define the different types of contrast media and their uses.
  • Differentiate between ionic and non-ionic contrast media.
  • Describe the different methods of contrast media administration.
  • Identify and respond to adverse reactions.

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Stewart-Kori-ENHP-Headshot 2019

Kori Stewart, Ph.D., RT(R)(CT)(ARRT), CIIP

Dr. Stewart has been a dedicated educator and technologist since 2009 and holds certifications in general radiography, computed tomography and imaging informatics. After spending 12+ years in higher education serving as a faculty member, Clinical Director and Program Director of Radiologic Technology, she transitioned to her current role with the Society for Imaging Informatics in Medicine (SIIM) as Director of Training. Dr. Stewart is also serving as an Adjunct Professor at Quinnipiac University in the Master of Science, Radiologist Assistant Program.

Dr. Stewart is full co-author of the 8th Edition of “Introduction to Radiologic & Imaging Sciences & Patient Care”, as well an invited full co-author of the upcoming 7th Edition of “Principles of Radiographic Imaging: An Art and Science”. Both of these textbooks are used by Radiologic and Imaging Science programs nationally and internationally. Dr. Stewart is the sole author of an Informatics in Medical Imaging chapter in the 6th Edition of the textbook “Principles of Radiographic Imaging: An Art and Science” and has published numerous peer-reviewed articles. She has presented nationally on a variety of medical imaging topics with a focus on imaging informatics and patient care, and continues to be passionate about sharing her love of lifelong learning.

She is an active member of the American Society of Radiologic Technologists (ASRT) and the Connecticut Society of Radiologic Technologists (CSRT). She is also a member of the Association of Educators in Imaging and Radiologic Sciences (AEIRS) and is currently serving on the Board of Directors as Secretary/Treasurer. Dr. Stewart is also a member of the Specialty Task Force for the American Board of Imaging Informatics (ABII) and has been an active member of the Society for Imaging Informatics in Medicine (SIIM) since 2016, having served on the Education Committee, Resident/Fellow/Doctoral Students (RFDS) Committee, and Imaging Informatics Professional Internship Subcommittee.