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Coronary magnetic resonance imaging 

Coronary magnetic resonance imaging
Chapter:
Coronary magnetic resonance imaging
DOI:
10.1093/med/9780199549573.003.15
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date: 20 October 2019

Introduction 400

Cardiac motion compensation 402

Coronary sequences 404

Anomalous coronary artery origins 406

Imaging the coronary arteries with CMR is challenging due to their small size (2–5mm diameter), tortuous course, constant motion with both cardiac and respiratory cycles, and the variable orientation of the heart within the thorax. ECG and respiratory gating aid some of these, but the small size and tortuous course present the greatest challenges. Standard CMR slice thicknesses limit voxel resolution and accurate depiction of stenosis severity is particularly demanding. However, diagnostic images can be obtained, especially of the coronary origins, and further advances in technology will improve the robustness of MR coronary angiography for the assessment of vessel stenoses....

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