Idiopathic giant-cell myocarditis

Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
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Idiopathic giant-cell myocarditis
Synonyms	Giant-cell myocarditis
Pronounce	N/A
Specialty	N/A
Symptoms	Heart failure, arrhythmia, chest pain, fatigue
Complications	Heart failure, sudden cardiac death
Onset	Typically in adulthood
Duration	Variable
Types	N/A
Causes	Unknown (idiopathic)
Risks	Autoimmune disorders, thymoma
Diagnosis	Endomyocardial biopsy, MRI, echocardiogram
Differential diagnosis	Sarcoidosis, lymphocytic myocarditis, cardiac sarcoidosis
Prevention	N/A
Treatment	Immunosuppressive therapy, heart transplantation
Medication	Corticosteroids, cyclosporine, azathioprine
Prognosis	Poor without treatment
Frequency	Rare
Deaths	N/A

Histopathology of giant-cell myocarditis

Idiopathic Giant-Cell Myocarditis is a rare and often fatal type of myocarditis that is characterized by an inflammatory process involving the heart muscle (myocardium). The cause of this condition is unknown (idiopathic).

Symptoms

The symptoms of Idiopathic Giant-Cell Myocarditis can vary greatly from person to person. They may include fatigue, shortness of breath, chest pain, palpitations, and syncope. In severe cases, the condition can lead to heart failure, arrhythmias, or sudden cardiac death.

Diagnosis

The diagnosis of Idiopathic Giant-Cell Myocarditis is often challenging due to its rarity and the nonspecific nature of its symptoms. It is typically confirmed through a biopsy of the heart muscle, which shows the presence of giant cells and inflammation.

Treatment

The treatment of Idiopathic Giant-Cell Myocarditis typically involves medications to reduce inflammation and suppress the immune system, such as corticosteroids and immunosuppressive drugs. In severe cases, a heart transplant may be necessary.

Prognosis

The prognosis for individuals with Idiopathic Giant-Cell Myocarditis is generally poor, with many individuals experiencing rapid progression of the disease and death within a few months of diagnosis. However, early detection and treatment can improve the prognosis.

See Also

• Myocarditis
• Heart Failure
• Arrhythmias
• Sudden Cardiac Death

References

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