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DARK BLOOD DELAYED ENHANCEMENT MAGNETIC RESONANCE VIABILITY IMAGING TECHNIQUES FOR ASSESSING SUBENDOCARDIAL INFARCTS
DARK BLOOD DELAYED ENHANCEMENT MAGNETIC RESONANCE VIABILITY IMAGING TECHNIQUES FOR ASSESSING SUBENDOCARDIAL INFARCTS
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机译:评估血膜下心梗的暗血延迟增强磁共振能力成像技术
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摘要
The technology herein provides a dark blood delayed enhancement technique that improves the visualization of subendocardial infarcts that may otherwise be disguised by the bright blood pool. The timed combination of a slice-selective and a non-selective preparation improves the infarct/blood contrast by decoupling their relaxation curves thereby nulling both the blood and the non-infarcted myocardium. This causes the infarct to be imaged bright and the blood and non-infarct to both be imaged dark. The slice-selective preparation occurs early enough in the cardiac cycle so that fresh blood can enter the imaged slice.
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