Dilated Cardiomyopathy
Alternate Names : Cardiomyopathy - Dilated
DefinitionDilated cardiomyopathy is a group of disorders in which the heart muscle is weakened and cannot pump blood efficiently. Decreased heart function affects the lungs, liver, and other body systems.
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Overview, Causes, & Risk Factors
The causes of cardiomyopathy are multiple and may include nutritional deficiencies, valvular heart disease, anemia, stress, viral infections (rare), alcoholism (alcoholic cardiomyopathy), coronary artery disease, and others. In some cases, no cause can be identified (idiopathic cardiomyopathy).
Enlargement of the heart muscle (dilated cardiomyopathy) is the most common type of cardiomyopathy. Restrictive cardiomyopathy is another type that occurs when there is damage to the heart and scarring (fibrosis) or deposits develop in the heart muscle.
Some risk factors include obesity, having a personal or family history of cardiac disorders, such as myocarditis and alcoholism.
Dilated cardiomyopathy occurs in approximately 2 out of 100 people. It can affect all ages and both sexes, but is most common in adult men.
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