Dilated cardiomyopathy causes

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Dilated cardiomyopathy Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-in-Chief: Sachin Shah, M.D.

Overview

There are many causes of dilated cardiomyopathy. The most common cause is idiopathic in 50% of cases. The next most common cause is myocarditis which is responsible for 10% of cases. Other common causes include substance abuse, connective tissue disease, pregnancy, medications, nutritional deficiencies, infiltrative diseases and toxins.

Causes

Common Causes

There are many causes and there are varying degrees of severity of the disease. Some forms are reversible and some are irreversible; some patients may be completely asymptomatic and some may require cardiac transplantation.

There are many causes of dilated cardiomyopathy.

The high percentage of idiopathic dilated cardiomyopathy may be related to the difficulty in diagnosing viral myocarditis.

Causes in Alphabetical Order

References

  1. Felker GM, Thompson RE, et al. Underlying causes and long-term survival in patients with initially unexplained cardiomyopathy. N Engl J Med 2000 Apr 13;342(14):1077-84.

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