Worldwide radiation dose in coronary artery disease diagnostic imaging

About The Study: Given increasing rates of coronary artery disease (CAD) worldwide, the findings of this study of marked variation in radiation dose to patients from diagnostic testing identify a critical need for training, standardized protocols, and updated equipment to reduce radiation worldwide. This especially affects patients in low- and middle-income countries and patients undergoing coronary computed tomography angiograph. There are therefore important opportunities to improve the quality of CAD diagnosis for patients across the globe.

Corresponding Author: To contact the corresponding author, Andrew J. Einstein, MD, PhD, email andrew.einstein@columbia.edu.

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(doi:10.1001/jama.2026.0703)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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