What is the best treatment for myocarditis?

Written by Zhou Yan
Geriatrics
Updated on May 28, 2025
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Myocarditis currently has no specific treatment and mainly focuses on supportive treatment for left ventricular dysfunction. Patients should avoid exertion and rest appropriately. In cases of heart failure, diuretics, vasodilators, and other drugs such as H1 may be used as needed. If rapid arrhythmias occur, antiarrhythmic drugs should be administered. For high-degree atrioventricular block or sinoatrial node dysfunction that causes syncope or significant hypotension, the use of a temporary pacemaker may be considered. Moreover, clinically, drugs that promote myocardial metabolism, such as adenosine triphosphate, coenzyme A, adenylic acid, etc., should be used. Treatment should also target the underlying causes of myocarditis.

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Written by Chen Si
Pediatrics
1min 16sec home-news-image

Is pediatric myocarditis serious?

The severity of myocarditis in children needs to be assessed by considering the child's clinical symptoms and corresponding clinical examinations comprehensively. Common clinical symptoms include chest tightness, fatigue, shortness of breath, etc. Most children have a history of upper respiratory tract infection before the symptoms appear. It is necessary to conduct routine blood tests, myocardial enzymes, troponin, myocardial antibodies, viral antibodies, electrocardiograms, and other relevant physicochemical examinations to further clarify the condition. Patients with mild symptoms and roughly normal laboratory results can improve on their own with rest. If there are clinical symptoms such as chest tightness, fatigue, shortness of breath, and related physicochemical examinations show abnormal changes, it is necessary to use medication to nourish the myocardium. During treatment, rest is advised, reduce fatigue, maintain emotional stability, and generally, the symptoms can improve within 10 to 15 days. For more severe cases, the treatment period may need to be extended accordingly.

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Written by Zhang Yue Mei
Cardiology
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What irritants should myocarditis avoid?

Suffering from myocarditis, fear of emotional stimulation. Myocarditis is caused by viral infection resulting in damage to the myocardium. Severe myocardial damage requires bed rest, maintaining a pleasant mood, and treatment with effective medication under the guidance of a doctor. Frequent anger or temper tantrums can cause increased sympathetic nervous excitability, leading to faster heart rates and increased cardiac burden. In severe cases, it can lead to acute heart failure, arrhythmias, cardiogenic shock, or even sudden death. Therefore, after being diagnosed with myocarditis, it is crucial to pay close attention to maintaining a cheerful mood and actively cooperating with the doctor for effective treatment.

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Written by Zhou Yan
Geriatrics
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What are the symptoms of myocarditis?

Myocarditis is an inflammatory disease of the myocardium. The clinical manifestations of viral myocarditis in patients depend on the extent and location of the lesions. Mild cases may have no symptoms at all, while severe cases can lead to cardiogenic shock or even sudden death. Most patients may have prodromal symptoms of viral infection one to three weeks before onset, such as fever, general fatigue, muscle soreness, or gastrointestinal symptoms like nausea and vomiting. Subsequently, they may experience palpitations, chest tightness, difficulty breathing, edema, fainting, or sudden death.

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Written by Zhou Yan
Geriatrics
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Criteria for Diagnosing Myocarditis

The diagnosis of myocarditis is primarily clinical, based on typical precursor symptoms, corresponding clinical manifestations, and physical signs. The precursor symptoms usually occur one to three weeks before the onset, including symptoms of a viral infection such as fever, general fatigue, and muscle soreness, or gastrointestinal symptoms like nausea and vomiting. Subsequently, symptoms such as chest tightness, palpitations, difficulty breathing, and even fainting and sudden death may occur. The physical signs generally include arrhythmias, commonly premature atrial contractions, premature ventricular contractions, or conduction blocks. There may be an increased heart rate which does not correspond to the body temperature, and there could be the presence of second or third heart sounds or gallop rhythm. A minority of patients may show signs of heart failure. Tests can include electrocardiograms, enzymatic studies, or echocardiograms, and magnetic resonance imaging may show symptoms of myocardial injury. To confirm the diagnosis, an endomyocardial biopsy must be performed.

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Written by Zhou Yan
Geriatrics
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What should be avoided in the diet for myocarditis?

Myocarditis is an inflammatory disease of the myocardium. Currently, there is no specific treatment for myocarditis. Patients should avoid fatigue, rest adequately to reduce cardiac load, and pay attention to nutritional intake. It is encouraged to eat easily digestible foods that are rich in vitamins and high in protein, and to avoid spicy, greasy, and hard-to-digest foods. Additionally, it is advisable to consume more fruits and vegetables, which are rich in vitamin C.