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Figure 1: (a) Four-chamber end-diastolic cardiac magnetic resonance (CMR) image of a 27-year-old asymptomatic patient with hypertrophic cardiomyopathy (HCM) with predominately ventricular septal hypertrophy (maximal wall thickness, 24 mm). (b) Four-chamber end-diastolic CMR image in a 16-year-old patient demonstrates increased left ventricular wall thickness confined to the apex (asterisks), consistent with a diagnosis of apical HCM. CMR is increasingly used to delineate all the phenotypic expressions of HCM. LA: Left atrium; RV: Right ventricle; VS: Interventricular septum; CMR: Cardiac MRI" Reprinted from Nagueh et al.[10] with permission from Elsevier Inc

Figure 1: (a) Four-chamber end-diastolic cardiac magnetic resonance (CMR) image of a 27-year-old asymptomatic patient with hypertrophic cardiomyopathy (HCM) with predominately ventricular septal hypertrophy (maximal wall thickness, 24 mm). (b) Four-chamber end-diastolic CMR image in a 16-year-old patient demonstrates increased left ventricular wall thickness confined to the apex (asterisks), consistent with a diagnosis of apical HCM. CMR is increasingly used to delineate all the phenotypic expressions of HCM. LA: Left atrium; RV: Right ventricle; VS: Interventricular septum; CMR: Cardiac MRIet al.[10] with permission from Elsevier Inc">