heart disease and a myopathy that is characterised by deterioration of the function of the heart muscle

The word cardiomyopathy means "heart muscle disease". Cardiomyopathies are a group of diseases in which the function of the myocardium (heart muscle) is impaired for any reason. People with cardiomyopathy are often at risk of arrhythmia and/or sudden cardiac death.[1]

There are four main types of cardiomyopathy:[2]


  1. Kasper, Denis L.; et al. (2005). Harrison's Principles of Internal Medicine, 16th edn. McGraw-Hill. ISBN 0-07-139140-1.
  2. Cardiomyopathy Association. "About cardiomyopathy". Archived from the original on 2006-09-25. Retrieved 2007-05-31.