Difference between myocarditis and myocardial injury

Written by Tao Kun

Geriatrics

Updated on September 05, 2024

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Myocarditis is inflammation of the myocardial cells caused by a virus that has not been timely cleared following a respiratory or gastrointestinal viral infection. It is a term used for disease diagnosis.

Myocardial injury, on the other hand, refers to the necrosis of myocardial cells due to various factors, including viral myocarditis and myocardial ischemia caused by the narrowing of coronary arteries. Therefore, myocardial injury is a state diagnosis, not a term used for disease diagnosis. Myocardial injury usually leads to elevated levels of troponin.

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Written by Zhou Yan

Geriatrics

37sec

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post-myocarditis syndrome

Patients with myocarditis generally have a self-limiting condition; it can heal completely without any treatment. However, sometimes, some myocarditis cases are fulminant, leading to acute heart failure or sudden death. For self-limiting diseases, since the condition is relatively mild, not receiving timely treatment can leave sequelae, such as some dilated cardiomyopathies, which are often due to the transformation from myocarditis. Therefore, for patients with myocarditis, we should follow up and conduct regular reviews to avoid the occurrence of dilated cardiomyopathy.

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Written by Zhou Yan

Geriatrics

53sec

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Does myocarditis cause a fever?

Myocarditis is an inflammatory heart disease, commonly caused by viral infections, with the Coxsackievirus being the most common. Other infections, such as bacterial, fungal, and Rickettsia, can also cause myocarditis. These infectious myocarditis cases generally show preliminary symptoms of infection, such as fever, in the 1 to 3 weeks before the onset of the disease. Fever indicates a high body temperature, which means the same as having a fever. However, there are also non-infectious forms of myocarditis, such as those caused by drugs, radiation, or connective tissue diseases, and these non-infectious types of myocarditis do not always involve a fever.

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Written by Zhang Yue Mei

Cardiology

54sec

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Can you exercise with myocarditis?

Patients with myocarditis should avoid exercising. Myocarditis is caused by acute or chronic damage to the myocardium due to viral infections. After contracting myocarditis, patients may experience palpitations and shortness of breath; severe cases can lead to heart failure, arrhythmias, and cardiogenic shock. For myocarditis, early diagnosis and treatment are crucial for recovery. Patients with myocarditis must rest in bed, minimize physical activity, consume easily digestible foods, and eat a variety of vitamins and minerals through vegetables and fruits to maintain regular bowel movements. Effective antiviral drugs and treatments that nourish the myocardium should be used to help the damaged myocardium recover as soon as possible.

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Written by Zhang Yue Mei

Cardiology

50sec

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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 Xiao Chang Jiang

Cardiology

1min 6sec

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What to eat for myocarditis?

For patients who already have myocarditis, what should we feed them? This is a question that confuses many people. In fact, patients with myocarditis should eat high-protein foods, high-vitamin foods, and those that are low in calories or easy to digest, such as a low-salt diet. It is recommended to eat small meals frequently and avoid foods that are spicy, heavily flavored, or irritating. For high-vitamin foods, the main choices include fruits, some vegetables, bean sprouts, kelp, seaweed, and black fungus, all of which are very good options. Low-calorie foods such as cucumbers, tomatoes, celery, job's tears, and papaya are also good choices. High-protein foods include soybeans, peanuts, seaweed, mushrooms, nuts, milk, lean meats, eggs, fish, shrimp, and more. We also recommend easily digestible foods, like millet porridge and noodles, as well as a low-salt diet, recommending a daily salt intake of no more than 3 grams for patients with myocarditis.