Cardiomyopathy is alteration or weakness of heart muscle and can cause heart failure or sudden death
Congenital heart abnormalities are defects in structure of heart present at birth
- Causes include heredity and maternal ingestion of alcohol/drugs
- Defects vary widely and can include abnormal structure of the heart, holes in the heart, transposed or narrowed blood vessels
- Signs and symptoms vary widely
- Some of conditions are fatal, others treated with surgery