Cardiomyopathy is a type of heart disease. There are many kinds of heart diseases, the common ones are: 1. heart failure, such as acute heart failure and chronic heart failure. 2. arrhythmia, including sinus arrhythmia, atrial arrhythmia, atrioventricular junctional arrhythmia, ventricular arrhythmia, heart block, etc. 3. coronary atherosclerotic heart disease, such as stable angina pectoris, unstable angina pectoris, myocardial infarction, etc. 4. hypertensive disease. 5. Myocardial disease, such as dilated cardiomyopathy, hypertrophic cardiomyopathy, restrictive cardiomyopathy, etc. 6, congenital cardiovascular disease, such as atrial septal defect, ventricular septal defect, etc. 7, heart valve disease, such as mitral stenosis, aortic stenosis, etc. 8, pericardial disease, such as pericarditis, pericardial effusion, etc. 9, infective endocarditis.