Eligibility for the subcutaneous implantable cardioverter-defibrillator in patients with hypertrophic cardiomyopathy. J Cardiovasc Electrophysiol. 2015;26:893 9. CLINICAL STATEMENTS AND GUIDELINES S7.4-43. Christiaans I, Birnie E, Bonsel GJ, et al. Manifest disease, risk factors for sudden cardiac death, and cardiac events in a large nationwide cohort of predictively tested hypertrophic cardiomyopathy mutation carriers: determining the best cardiological screening strategy. Eur Heart J. 2011;32:1161 70. S7.4-44. Morita H, Rehm HL, Menesses A, et al. Shared genetic causes of cardiac hypertrophy in children and adults. N Engl J Med. 2008;358:1899 908. S7.4-45. Niimura H, Bachinski LL, Sangwatanaroj S, et al. Mutations in the gene for cardiac myosin-binding protein C and late-onset familial hypertrophic cardiomyopathy. N Engl J Med. 1998;338:1248 57. S7.4-46. Maron BJ, Semsarian C. Emergence of gene mutation carriers and the expanding disease spectrum of hypertrophic cardiomyopathy. Eur Heart J. 2010;31:1551 3. S7.4-47. Maron BJ, Yeates L, Semsarian C. Clinical challenges of genotype positive (+)-phenotype negative (-) family members in hypertrophic cardiomyopathy. Am J Cardiol. 2011;107:604 8. S7.4-48. Ingles J, Doolan A, Chiu C, et al. Compound and double muta- tions in patients with hypertrophic cardiomyopathy: implications for genetic testing and counselling. J Med Genet. 2005;42:e59. S7.4-49. Rosenzweig A, Watkins H, Hwang DS, et al. Preclinical diagnosis of familial hypertrophic cardiomyopathy by genetic analysis of blood lymphocytes. N Engl J Med. 1991;325:1753 60. S7.4-50. O Mahony C, Jichi F, Monserrat L, et al. Inverted U-shaped relation between the risk of sudden cardiac death and maximal left ventricu- lar wall thickness in hypertrophic cardiomyopathy. Circ Arrhythm Electrophysiol. 2016;9:e003818. S7.4-51. Saeed M, Homoud MK, Wang PJ, et al. Role of invasive electro- physiologic testing in risk stratification for sudden cardiac death. J Invasive Cardiol. 2001;13:758 62. S7.4-52. Maron BJ, Haas TS, Goodman JS. Hypertrophic cardiomyopathy: one gene but many phenotypes. Am J Cardiol. 