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Figure 2 Representative patient images. (A) Patient with asymmetric septal hypertrophy, maximum wall thickness of 20 mm, normal ejection fraction, and marked myocardial scarring (hyperenhancement shown by arrows). (B)Patient with greater hypertrophy (maximum wall thickness, 27 mm) but with less scarring. In both patients, there are multiple foci of scar, which are predominantly mid-myocardial in location and are not present in the lateral free wall. The long-axis cines images of Patient 19 demonstrate systolic anterior motion of the mitral valve, systolic flow turbulence in the left ventricular outflow tract, and mitral regurgitation. For the accompanying full-motion cines video corresponding to Figure 2, please see the following: The accompanying movie for Patient 1. The contrast image (still) for Patient 1. The accompanying movie for Patient 19. The contrast image (still) for Patient 19.