echocardiography: systolic thickening of posterior wall of left ventricle at end of expiration
echocardiography: systolic thickening of posterior wall of left ventricle at end of expiration
echocardiography: systolic thickening of posterior wall of left ventricle at end of expiration
echocardiography: systolic thickening of posterior wall of left ventricle at end of expiration