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Fig. 8. —62-year-old man (patient 15) with hypertrophic obstructive cardiomyopathy (HOCM), with left ventricle myocardial mass index of 119 g/m². Invasively measured intraventricular pressure gradient approximated 100 mm Hg. Patient underwent transcoronary ablation of septal hypertrophy (TASH) 14 months before MRI study. There is "subepicardial" nontransmural scar from TASH in middle portion of intraventricular septum, which failed to improve gradient because of wrong localization of scar. Another scar is shown in basal and midventricular portions of the lateral wall caused by subendocardial myocardial infarction that occurred 4 years previously.