what are the names of heart problems?
['Congenital heart disease. ... ', 'Arrhythmia. ... ', 'Coronary artery disease. ... ', 'Dilated cardiomyopathy. ... ', 'Myocardial infarction. ... ', 'Heart failure. ... ', 'Hypertrophic cardiomyopathy. ... ', 'Mitral regurgitation.']