Pediatricsintermediate
Which of the following is a recognized etiology of dilated cardiomyopathy (DCM)?
Answer
Viral myocarditis
Explanation
The slides identify **prior viral myocarditis**, **anthracyclines**, and **inborn errors of metabolism** among DCM causes. Anthracyclines include doxorubicin, which can cause chronic dose-dependent cardiomyopathy. Mitral valve prolapse is not included in the provided list. **Key takeaway:** DCM can have infectious, toxic, metabolic, endocrine, and hereditary causes.\n\n**Glossary:** **Myocarditis**: Inflammation of the heart muscle. **Anthracyclines**: A class of drugs associated here with myocardial toxicity.
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