Cardiomyopathy is defined as the following: structural and functional abnormality of the myocardium without coronary artery disease, hypertension, valvular or congenital heart diseases.

Subtypes:

• Dilated (most common)
• Hypertrophic
• Restrictive
• Arrhythmogenic right ventricular cardiomyopathy

Dilated cardiomyopathy

Hypertrophic obstructive cardiomyopathy

Restrictive cardiomyopathy

Arrhythmogenic right ventricular cardiomyopathy