<unk>   refers to diseases of the heart muscle. These diseases enlarge your heart muscle or make it thicker and more rigid than normal. In rare cases, scar tissue replaces the muscle tissue. There are of three main types (dilated, hypertrophic, and restrictive). All of these affect heart muscle.
Cardiomyopathy
Myopathy
Alcoholic cardiomyopathy
Cardiac amyloidosis
Dilated cardiomyopathy
Myocarditis
Hypertrophic cardiomyopathy
Restrictive cardiomyopathy