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Zhou Yan
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About me
Member of the 7th Rehabilitation Professional Committee of the Chinese Society of Rehabilitation Medicine, and Chairman of the 1st Youth Committee of the Geriatric Health Medical Professional Committee of the Hunan Provincial Women Physicians Association.
Proficient in diseases
Specializes in geriatric internal medicine diseases, particularly in the rescue of cardiovascular critical illnesses such as acute coronary syndrome, hypertensive crisis, malignant arrhythmia, acute heart failure, etc.
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Voices
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Is it good to soak your feet if you have myocarditis?
For myocarditis, whether soaking feet is good or bad is irrelevant because soaking feet has no effect on the treatment of myocarditis. For the treatment of myocarditis, there is general treatment and medication treatment. General treatments typically aim to reduce the cardiac load, such as resting and providing easily digestible food rich in vitamins and proteins, and soaking feet offers no benefit in these respects. Additionally, myocarditis should be treated with medications, including diuretics, vasodilators, ACE inhibitors as appropriate. If arrhythmias occur, anti-arrhythmic drugs should be provided, and if a viral infection is confirmed, specific antiviral treatment should be administered. Therefore, soaking feet is not significantly relevant. (Specific medication use should be conducted under the guidance of a doctor.)
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Difference between hypertensive crisis and hypertensive encephalopathy
Hypertensive crisis, now referred to as hypertensive emergency, includes hypertensive encephalopathy. It mainly refers to cases where, under certain triggers, the blood pressure of patients with primary or secondary hypertension suddenly or significantly rises, typically exceeding 180/120 mmHg, accompanied by progressive failure of critical target organs such as the heart, brain, and kidneys. Hypertensive emergencies include hypertensive encephalopathy, cerebral hemorrhage, cerebral infarction, acute heart failure, acute coronary syndrome, aortic dissection, etc. Hypertensive encephalopathy is characterized by symptoms caused by hypertension, such as headache, blurred vision, nausea, vomiting, and severe edema of the head.
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What is bradycardia?
Bradycardia generally refers to a heart rate of less than 60 beats per minute, often seen in healthy young people, athletes, and during sleep. Other possible causes include hypothyroidism, obstructive jaundice, as well as severe hypoxia and hypothermia. If the patient's bradycardia does not cause other pathological conditions, such as dizziness or fainting, it generally does not require treatment. If severe dizziness and fainting occur, indicating insufficient cardiac output, medications that increase the heart rate, such as atropine or aminophylline, can be used. (These medications should be taken under the guidance of a doctor.)
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Causes of acute heart failure
Acute heart failure refers to the acute onset of heart failure or an exacerbated clinical syndrome, which can present as either newly developed acute or acute decompensation of chronic heart failure. Clinically, it is commonly divided into two main categories. One category is acute left heart failure, often caused by acute decompensation of chronic heart failure, or by acute coronary syndrome, hypertensive emergencies, acute cardiac valvular dysfunction, severe myocarditis, serious arrhythmias, and peripartum cardiomyopathy. The other category is acute right heart failure, which can be caused by right ventricular infarction, acute large pulmonary embolism, and right-sided valvular heart disease.
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The dangers of myocarditis
Myocarditis is an inflammatory disease of the myocardium. Most cases of myocarditis are self-limiting, but if not treated promptly, it can progress to dilated cardiomyopathy. Dilated cardiomyopathy often begins insidiously. Once symptoms appear and the patient enters the stage of heart failure, the condition becomes very serious. Additionally, a minority of patients experience a fulminant onset, leading to acute decompensation or sudden death. Fulminant myocarditis and severe myocarditis progress quickly and have a high mortality rate, thus highlighting the dangers of myocarditis.
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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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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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Manifestations of myocarditis
Myocarditis is an inflammatory disease of the myocardium. Its manifestations depend on the extent and location of the condition; mild cases may have no symptoms, while severe cases can lead to cardiogenic shock and sudden death. Most patients experience precursor symptoms of viral infection one to three weeks before onset, such as fever, general fatigue, and muscle soreness, or gastrointestinal symptoms like nausea and vomiting. Subsequently, they may experience palpitations, chest tightness, difficulty breathing, and potentially fainting or sudden death. Clinically diagnosed myocarditis is mostly due to arrhythmias as the primary complaint, or patients seek treatment for common symptoms.
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Obvious symptoms of myocarditis
Myocarditis refers to the inflammatory disease of the myocardium, with viral infection being the most common cause. Therefore, the majority of patients exhibit precursor symptoms of a viral infection one to three weeks before onset, such as fever, general fatigue, muscle soreness, or gastrointestinal symptoms like nausea and vomiting. This may be followed by palpitations, chest discomfort, chest pain, difficulty breathing, edema, and even fainting or sudden death. In the clinical diagnosis of myocarditis, the majority of cases initially present with symptoms of arrhythmias such as palpitations or a racing heart, but a minority may also experience fainting or Adams-Stokes syndrome (also known as cardiogenic cerebral ischemia).
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How is myocarditis detected?
The diagnosis of myocarditis includes several aspects: The electrocardiogram may show STT changes, or various arrhythmias. Chest radiography may reveal an enlarged cardiac silhouette, while an echocardiogram may be normal or show left ventricular enlargement. Magnetic resonance imaging may show myocardial edema or congestion. Biochemical examinations may reveal elevated levels of troponin and myocardial enzymes, as well as increased erythrocyte sedimentation rate and C-reactive protein. Additional diagnostic methods include etiological examinations, which can identify viral infections through blood or stool samples. Furthermore, endocarditis or myocardial biopsy can provide definitive diagnosis.