the magnitude of cardiac cycle-dependent variation of ib for the posterior wall was 6.0 +/- 0.9 db in normal subjects , 5.7 +/- 0.8 db in the patients with uncomplicated pressure-overload hypertrophy , and 6.7 +/- 2.1 db in the patients with hypertrophic cardiomyopathy .
C0018787
cardiac
C0007194
hypertrophic cardiomyopathy