Cardiomyopathy may be seen in all except-
Etiological classification of cardiomyopathy:
A. Primary myocardial involvement

Idiopathic (D, R, H)
Familial (D, R, H)
Eosinophilic endomyocardial disease (R)
Endomyocardial fibrosis (R)

B) Secondary myocardial involvement
Duchenne muscular dystrophy
Friedreich's ataxia
Type II glycogen storage
Alkaptonuria