What should be avoided in the diet for myocarditis?

Written by Zhou Yan

Geriatrics

Updated on September 24, 2024

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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.

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Written by Zhou Yan

Geriatrics

1min 15sec

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Myocarditis is what?

Myocarditis is an inflammatory disease of the myocardium, primarily caused by viral infections. Typically, signs of infection such as fever, generalized fatigue, muscle soreness, or gastrointestinal symptoms like nausea and vomiting appear one to three weeks before the onset of myocarditis. Patients may experience palpitations, chest tightness, difficulty breathing, edema, and even fainting or sudden death. Clinically, viral myocarditis is mostly diagnosed due to arrhythmias as the main complaint or primary symptom, and in rare cases, it can lead to fainting or Aschoff's syndrome. For patients with myocarditis, timely examinations like myocardial enzymes, troponins, electrocardiograms, echocardiography, and cardiac MRI are crucial to confirm the diagnosis. Appropriate treatment should be administered to prevent the myocarditis from progressing to cardiac arrest or heart failure.

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Written by Xiao Chang Jiang

Cardiology

59sec

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Is myocarditis serious?

Is myocarditis serious? In fact, myocarditis is an inflammatory disease of the myocardium. Patients with myocarditis may experience symptoms such as fatigue, palpitations, shortness of breath, discomfort or pain in the precordial area, nausea, vomiting, abdominal pain, diarrhea, etc. During examinations, we often see slight enlargement of the heart, arrhythmias, gallop rhythm, and other manifestations of heart dysfunction. In severe cases, myocarditis can lead to fulminant myocarditis, such as severe heart failure or cardiogenic shock, often accompanied by arrhythmias. Even with timely and standard treatment, death may occur due to the severity of the condition. Even if patients with myocarditis recover, they may still have some sequelae on the electrocardiogram, such as atrioventricular block, bundle branch block, premature beats, or junctional rhythm.

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Written by Zhou Yan

Geriatrics

48sec

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Causes of Myocarditis

Myocarditis is also an inflammatory disease of the myocardium. Common causes are viral infections, such as Coxsackievirus B, Parvovirus B19, Human Herpesvirus 6, and Poliovirus, with Coxsackievirus B being the most common cause, accounting for about 30%-50%. Bacteria, fungi, spirochetes, rickettsiae, and protozoa can also cause myocarditis, but they are relatively rare. Non-infectious causes of myocarditis include drugs, radiation, connective tissue diseases, vasculitis, giant cell myocarditis, among others. These are all causes of myocarditis.

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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.

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Written by Zhou Yan

Geriatrics

1min 14sec

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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.