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Figure 4 (A and B) Patterns of hyperenhancement in hypertrophic cardiomyopathy by cardiovascular magnetic resonance. The patterns of hyperenhancement are grouped into diffuse or confluent types (upper rows: long-axis, vertical, or horizontal; lower rows: short-axis views). These were further subclassified as shown. The different patterns may have clinical or prognostic significance, and this qualitative classification may complement the overall quantification of hyperenhancement. RV = right ventricular.