The causes of embolism in mitral stenosis

Written by Li Hai Wen

Cardiology

Updated on September 29, 2024

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Mitral stenosis in patients can lead to embolism due to the tendency of mitral stenosis to cause enlargement of the left atrium. The enlargement of the left atrium is a key anatomical factor leading to atrial fibrillation and cardiac arrhythmias. When atrial fibrillation occurs, it is easy for blood clots to form in the left atrium, especially in the area of the left atrial appendage. When a blood clot breaks off, it can travel with the bloodstream and cause occlusion of the corresponding blood vessels, resulting in embolic complications. Timely surgical intervention to treat mitral stenosis can effectively prevent complications such as atrial enlargement and blood clots caused by mitral stenosis.

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Mild tricuspid and mitral valve regurgitation, what's the matter?

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The cause of thromboembolism in mitral stenosis

The mitral valve is an important part of the left heart system, located between the left ventricle and the left atrium. When the heart is in diastole, the mitral valve opens, allowing blood from the atrium to be transferred into the ventricle. However, when the mitral valve is narrowed, blood from the left atrium cannot flow into the left ventricle in a timely manner. This leads to an increased load on the left atrium. Over time, this can cause severe enlargement of the left atrium and lead to atrial fibrillation, a type of cardiac arrhythmia. Once atrial fibrillation occurs, it can cause thrombosis in the left atrium, particularly in the part called the atrial appendage. If a thrombus forms, it may dislodge during the heart's contractions, potentially causing systemic embolism with serious consequences, including paralysis or even sudden death.

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Do young people have mitral valve regurgitation?

Mitral valve regurgitation is a type of congenital heart disease that tends to occur in children, adolescents, or the elderly. Young people can also develop mitral valve regurgitation. To diagnose this condition, an echocardiogram is necessary, as it allows for a more definitive diagnosis. In terms of treatment, symptomatic treatment is often primary, using cardiotonic diuretics to improve the patient's heart function. During this period, it is important to monitor changes in the patient's vital signs, especially heart rate, pulse, and blood pressure. If the heart rate is too fast, efforts should sometimes be made to actively control ventricular force, thereby reducing the load on the heart.

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Mitral stenosis increases the load on which ventricle?

If a patient exhibits symptoms of mitral stenosis, it primarily leads to an increased load on the left atrium and left ventricle, resulting in palpitations, chest tightness, and difficulty breathing. The current treatment mainly involves symptomatic therapy, using cardiotonic and diuretic medications to improve the patient's condition. Currently, medications are used in treatment to control symptoms like palpitations and chest tightness. It is advised that the patient should undergo a cardiac echocardiography to further confirm the diagnosis. In treatment, it is still necessary to control blood pressure, heart rate, and pulse changes. If there is a rapid heart rate or increased blood pressure, these should also be actively managed to reduce the cardiac load. Dietarily, it is recommended that patients adopt a light diet, particularly eating smaller, more frequent meals and avoiding spicy and irritating foods. It’s important to keep warm and avoid catching cold.