myocardial disease hypertrophic cardiomyopathy myocardial disease hypertrophic cardiomyopathy hypertrophic cardiomyopathy hypertrophic cardiomyopathy HCM/HOCM Hypertrophic Cardiomyopathy hypertrophic obstructive cardiomyopathy hypertrophic cardiomyopathy hypertrophic cardiomyopathy