RT Book, Section A1 Lopes, Luís R. A1 Elliott, Perry M. A2 Fuster, Valentin A2 Harrington, Robert A. A2 Narula, Jagat A2 Eapen, Zubin J. SR Print(0) ID 1161732830 T1 HYPERTROPHIC CARDIOMYOPATHIES T2 Hurst's The Heart, 14e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9780071843249 LK accesscardiology.mhmedical.com/content.aspx?aid=1161732830 RD 2024/04/23 AB Hypertrophic cardiomyopathy (HCM) is defined as left ventricular (LV) hypertrophy in the absence of abnormal loading conditions, such as severe hypertension or valve disease, sufficient to provoke the observed phenotype.1 It occurs in approximately 1 in every 500 adults,2,3,4,5,6,7 with a slightly higher prevalence in males, but with no significant differences across ethnicities or geographical locations. Ventricular hypertrophy frequently develops during periods of rapid somatic growth, but can appear de novo at any time from infancy to old age.