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'''Cardiomyopathy''' is the and of the [[cardiac muscle]] of the [[heart]] wall.
'''Cardiomyopathy''' is the deterioration of the [[cardiac muscle]] of the [[heart]] wall.


Cardiomyopathy can lead to [[heart failure]] as the pumping efficiency of the heart is diminished. People with cardiomyopathy are often at risk of [[arrhythmia]] and/or [[sudden cardiac death]].
Cardiomyopathy can lead to [[heart failure]] as the pumping efficiency of the heart is diminished. People with cardiomyopathy are often at risk of [[arrhythmia]] and/or [[sudden cardiac death]].

Revision as of 19:43, 14 December 2005

Cardiomyopathy is the deterioration of the cardiac muscle of the heart wall.

Cardiomyopathy can lead to heart failure as the pumping efficiency of the heart is diminished. People with cardiomyopathy are often at risk of arrhythmia and/or sudden cardiac death.

Cardiomyopathies can generally be categorized into two groups: ischemic cardiomyopathy and nonischemic cardiomyopathy.

Ischemic cardiomyopathy is weakness in the muscle of the heart due to coronary artery disease. Individuals with ischemic cardiomyopathy typically have a history of myocardial infarction (heart attack).

Nonischemic

Nonischemic cardiomyopathy is weakness in the muscle of the heart that is not due to coronary artery disease. To make a diagnosis of nonischemic cardiomyopathy, significant coronary artery disease should be ruled out. The term nonischemic cardiomyopathy does not describe the etiology of weakened heart muscle. The nonischemic cardiomyopathies are a mixed-bag of disease states, each with their own causes.

Nonischemic cardiomyopathy has a number of causes including drug and alcohol toxicity, certain infections, and various genetic and idiopathic (i.e. unknown) causes.

Nonischemic subtypes

There are four main types of nonischemic cardiomyopathy:

Cardiomyopathy may also be related to Hepatitis C virus infection.