( 1 ) narrowness of the early-diastolic and presystolic peaks on the echo curve of the anterior mitral leaflet and an abnormal step formation at the middle or higher level on the descending limb of the presystolic peak were observed in 7 cases with congestive cardiomyopathy or myocardial fibrosis , 1 case with myocardial infarction , and 1 case with cardiomyopathy due to progressive muscular dystrophy .
C0007193
congestive cardiomyopathy
C0878544
cardiomyopathy