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Updated: Aug 8, 2026

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
Published on: February 16, 2016
Delayed enhancement MR imaging: utility in myocardial assessment
Jens Vogel-Claussen1, Carlos E Rochitte, Katherine C Wu
1Department of Radiology, Johns Hopkins Hospital, MRI, Room 143, 600 N Wolfe St, Baltimore, MD 21287, USA.
Magnetic resonance (MR) imaging with delayed myocardial enhancement aids cardiac disease diagnosis. However, findings are not specific to myocardial infarction and require clinical history for accurate interpretation.
Area of Science:
- Cardiovascular Imaging
- Radiology
- Medical Diagnostics
Background:
- Magnetic resonance (MR) imaging is increasingly used for diagnosing cardiac diseases and monitoring treatments.
- Delayed myocardial enhancement (DME) MR imaging, following contrast agent administration, has expanding clinical applications.
- DME MR imaging was initially developed to characterize myocardial scarring after myocardial infarction.
Purpose of the Study:
- To review the applications and interpretation of delayed myocardial enhancement MR imaging.
- To highlight the patterns of delayed enhancement in various cardiac conditions.
- To emphasize the importance of clinical history in differentiating causes of delayed enhancement.
Main Methods:
- Review of delayed enhancement patterns on MR images.
- Correlation of imaging findings with clinical diagnoses.
- Discussion of the characteristics of delayed enhancement in ischemic versus non-ischemic myocardial diseases.
Main Results:
- Delayed enhancement in myocardial infarction typically appears as subendocardial or transmural scarring in a coronary artery distribution.
- Delayed enhancement is not specific for myocardial infarction and can be seen in inflammatory diseases, cardiomyopathies, neoplasms, and congenital conditions.
- In non-ischemic conditions, delayed enhancement is often midwall and not in a coronary artery distribution.
Conclusions:
- Delayed myocardial enhancement MR imaging is a valuable tool for cardiac assessment.
- The pattern of delayed enhancement, combined with clinical history, is crucial for accurate diagnosis.
- Differentiating ischemic from non-ischemic causes of delayed enhancement requires careful evaluation of imaging characteristics and patient context.
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