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Updated: Sep 5, 2025

Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques
Published on: June 11, 2019
Compact pediatric cardiac magnetic resonance imaging protocols
1Department of Radiology, Stanford University School of Medicine, 725 Welch Road, Stanford, CA, 94305, USA. zucker@post.harvard.edu.
Abstract:
Cardiac MRI is in many respects an ideal modality for pediatric cardiovascular imaging, enabling a complete noninvasive assessment of anatomy, morphology, function and flow in one radiation-free and potentially non-contrast exam. Nonetheless, traditionally lengthy and complex imaging acquisition strategies have often limited its broader use beyond specialized centers. In this review, the author presents practical cardiac MRI imaging protocols to facilitate the performance of succinct yet successful exams that provide the most salient clinical data for the majority of congenital and acquired pediatric cardiac disease. In addition, the author reviews newer and evolving techniques that permit more rapid but similarly diagnostic MRI, including compressed sensing and artificial intelligence/machine learning reconstruction, four-dimensional flow acquisition and blood pool contrast agents. With the modern armamentarium of cardiac MRI methods, the goal of compact yet comprehensive exams in children can now be realized.
Insights
Cardiac MRI offers comprehensive, radiation-free pediatric cardiovascular imaging. New protocols and advanced techniques like AI reconstruction enable faster, more efficient exams for diagnosing pediatric heart conditions.
Area of Science:
- Cardiovascular Imaging
- Pediatric Radiology
- Magnetic Resonance Imaging
Background:
- Cardiac MRI is ideal for pediatric cardiovascular assessment due to its noninvasive, radiation-free nature.
- Traditional cardiac MRI protocols are often lengthy and complex, limiting accessibility.
- There is a need for efficient imaging strategies to broaden the use of pediatric cardiac MRI.
Purpose of the Study:
- To present practical cardiac MRI protocols for pediatric cardiovascular disease.
- To review advanced techniques for rapid and diagnostic MRI in children.
- To demonstrate how compact yet comprehensive pediatric cardiac MRI exams can be achieved.
Main Methods:
- Review of established and novel cardiac MRI imaging protocols.
- Discussion of advanced techniques including compressed sensing, AI/ML reconstruction, 4D flow, and blood pool contrast agents.
- Focus on optimizing acquisition strategies for pediatric congenital and acquired cardiac conditions.
Main Results:
- Practical protocols facilitate succinct and successful pediatric cardiac MRI exams.
- Emerging techniques significantly reduce scan times while maintaining diagnostic accuracy.
- Modern methods enable compact yet comprehensive assessments of pediatric cardiovascular disease.
Conclusions:
- Cardiac MRI is a powerful tool for pediatric cardiovascular imaging.
- Streamlined protocols and advanced techniques enhance the efficiency and accessibility of pediatric cardiac MRI.
- The goal of rapid, comprehensive cardiac MRI in children is now achievable.
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