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  • ASRT approval for ARRT Category A credit
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  • Approval: This course is approved by ASRT - an approved continuing education provider of ARRT.
  • Release Date: 4/1/2015
  • Expiration Date: 4/30/2021
  • Credit Hours: 1 Credit
  • Course Description and objectives:

    Course Description
    Cardiovascular disease (CVD) is the leading cause of death in the United States, and a common reason for medical imaging. Coronary radiography after injection of radiopaque dye has been used since the 1960s to evaluate coronary artery lesions, but provides only limited information about atherosclerotic plaque and arterial calcification, which are important predictors of future CVD risk. Coronary computed tomography angiography (CTA) is a newer imaging method that provides high-resolution 2-dimensional and 3-dimensional reconstructions that make it possible to examine arterial obstructions, atherosclerotic plaque composition, calcification, and other important measures of CVD. Evidence-based guidelines have been developed by several medical societies and organizations to provide guidance on patient selection and imaging technique for the effective and safe use of coronary CTA. In general, CTA is considered to be most appropriate for patients who have low to intermediate risk of CVD based on risk factors such as age, sex, smoking status, and cholesterol levels. A thorough understanding of the indications, contraindications, and important safety concerns is essential to attain the best possible outcomes for patients undergoing coronary CTA. In addition, CTA requires an understanding of factors such as effective use of contrast agents, control of heart rate, and minimization of radiation exposure. This article provides an overview of the pathophysiology of coronary artery disease and the rationale for cardiac imaging, guideline recommendations regarding the place of CTA in evaluating patients with heart disease, and practical issues in obtaining the best possible image results.

    Learning Objectives
    After reading this article, the participant should be able to:

    • Describe the pathophysiology of coronary artery disease and the rationale for cardiac imaging.
    • Identify guideline recommendations regarding the place of CTA in evaluating patients with heart disease.
    • Discuss practical steps that can help to ensure optimal image quality and patient safety.

    Categories: Computed Tomography (CT)

  • CE Information:

    In order to receive CE credit, you must first complete the activity content. When completed, go to the “Take CE Test!” link to access the post-test.

    Submit the completed answers to determine if you have passed the post-test assessment. You must obtain a score of 75% to receive the CE credit. You will have no more than 3 attempts to successfully complete the post-test.

    Participants successfully completing the activity content and passing the post-test will receive 1.0 ARRT Category A credits.

    Approved by the American Society of Radiologic Technologists for ARRT Category A credit.

    Approved by the state of Florida for ARRT Category A credit.

    Texas direct credit.

    This activity may be available in multiple formats or from different sponsors. ARRT does not allow CE activities such as Internet courses, home study programs, or directed readings to be repeated for CE credit in the same or any subsequent biennium.


Coronary Computed Tomography Angiography: Guidelines and Practical Steps

Mark P. Bowes, PhD

*Medical Writer, Portland, Oregon.
Address correspondence to: Mark P. Bowes, PhD, Medical Writer, 7135 SE 18th Avenue, Portland, OR, 97202. E-mail: mpbowes@gmail.com.

Disclosure Statement: Dr Bowes reports having no financial or advisory relationships with corporate organizations related to this activity.

ABSTRACT

Cardiovascular disease (CVD) is the leading cause of death in the United States, and a common reason for medical imaging. Coronary radiography after injection of radiopaque dye has been used since the 1960s to evaluate coronary artery lesions, but provides only limited information about atherosclerotic plaque and arterial calcification, which are important predictors of future CVD risk. Coronary computed tomography angiography (CTA) is a newer imaging method that provides high-resolution 2-dimensional and 3-dimensional reconstructions that make it possible to examine arterial obstructions, atherosclerotic plaque composition, calcification, and other important measures of CVD. Evidence-based guidelines have been developed by several medical societies and organizations to provide guidance on patient selection and imaging technique for the effective and safe use of coronary CTA. In general, CTA is considered to be most appropriate for patients who have low to intermediate risk of CVD based on risk factors such as age, sex, smoking status, and cholesterol levels. A thorough understanding of the indications, contraindications, and important safety concerns is essential to attain the best possible outcomes for patients undergoing coronary CTA. In addition, CTA requires an understanding of factors such as effective use of contrast agents, control of heart rate, and minimization of radiation exposure. This article provides an overview of the pathophysiology of coronary artery disease and the rationale for cardiac imaging, guideline recommendations regarding the place of CTA in evaluating patients with heart disease, and practical issues in obtaining the best possible image results.

View the full content

Sample eRADIMAGING Course *

* This sample course is for reference purposes only. It is not currently available for earning CE credits. To earn ARRT CE credits please subscribe to eRADIMAGING where you will see a complete listing of all active and eligible CE courses.

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