Table 31: Classification of etiologies of restrictive cardiomyopathy

Non infiltrative Infiltrative
Myocardial
Idiopathic*, familial, hypertrophic or diabetic cardiomyopathy, scleroderma, pseudoxanthoma elasticum Amyloidosis*, sarcoidosis*, fatty infiltration, Gaucher's or Hurler's disease, Storage disease, Hemochromatosis, Fabry's or glycogen storage disease
Endomyocardial
Endomyocardial fibrosis*, hypereosinophilic syndrome, carcinoid heart disease, metastatic cancers, radiation*, toxic effects of anthracycline*, drugs causing fibrous endocarditis (serotonin, methysergide, ergotamine, mercurial agents, busulfan)

* Frequently encountered in clinical practice