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Table 1 Grading score

From: Timing and variability of late myocardial enhancement imaging in anesthetised pediatric patients

Grade Degree of nulling Myocardium appearance Blood pool appearance
0 none can't distinguish between myocardium & blood can't distinguish between myocardium & blood
1 reverse white black
2 poor grainy white
3 partial some black areas, some grainy areas white
4 good black white