What causes restrictive cardiomyopathy?
Doctors don't always know what causes restrictive cardiomyopathy, but some reasons can include:
- Buildup of scar tissue
- Buildup of proteins in the heart muscle (your doctor may call this amyloidosis)
- Chemotherapy or chest exposure to radiation
- Too much iron in the heart (also called hemochromatosis)
- Other diseases
From: Heart Disease and Restrictive Cardiomyopathy WebMD Medical Reference
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