Myocarditis is an inflammation of the heart’s muscle. Although rare, it can be devastating. Myocarditis can occur with no symptoms and remain undiagnosed.

Healthy Myocardium
normal heart section
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In most children, the condition is often caused by a viral infection. Other potential causes include:

  • Medications
  • Autoimmune disorders
  • Infections by bacteria, parasites, or fungus

Sometimes the cause cannot be found.