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Cardiomyopathy

Date: May 2011

Definition:

A definite diagnosis by a Consultant Cardiologist of cardiomyopathy resulting in permanently impaired ventricular function such that the ejection fraction is 40% or less for at least 6 months when stabilised on therapy advised by the Consultant.

The diagnosis must also be evidenced by:

  • electrocardiographic changes; and
  • echocardiographic abnormalities.

The evidence must be consistent with the diagnosis of cardiomyopathy.

For the above definition, the following are not covered:

  • all other forms of heart disease and/or heart enlargement;
  • myocarditis; and
  • cardiomyopathy related to alcohol or drug abuse.

No change since April 2007

 

What does this mean?

Cardiomyopathies are a group of disorders of the heart muscle, which can cause sudden death and heart failure. Cardiomyopathy can occur in young people and can be inherited.

Myocarditis is an acute inflammation of the heart muscle, typically caused by infection, and is not covered by the definition.

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