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Figure 6 Changes in the amount of gadolinium delayed enhancement myocardium without net thinning of the left ventricular wall may represent partial volume effects as described in the "Discussion" section. Offsetting involution of the infarcted myocardium and hypertrophy of viable myocardium within pixels could explain serial changes on the delayed enhancement images. The first cardiac magnetic resonance scan (top row) was performed two days after acute percutaneous intervention on a circumflex coronary artery. The follow-up scan (bottom row) was performed two months later.
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