What is mild regurgitation of the mitral and tricuspid valves?

Written by Chen Tian Hua
Cardiology
Updated on March 13, 2025
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If a cardiac echocardiogram simply finds mild regurgitation of the mitral and tricuspid valves, and the heart isn't noticeably enlarged, and the valves have no organic lesions, this mild regurgitation of the mitral and tricuspid valves isn't considered a pathological state. It should be considered as physiological degeneration of the valves and doesn't require treatment, generally causing no harm to overall health. However, some occurrences of mild regurgitation of the mitral and tricuspid valves are due to enlargement of the left and right ventricles. In these cases, it's necessary to further identify the causes leading to the enlargement of the ventricles and actively address them to control the condition effectively. This avoids further enlargement of the ventricles, which could worsen the valve regurgitation and negatively impact health.

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Can mitral stenosis be repaired?

Mitral stenosis sometimes requires surgical treatment to achieve repair standards, but it cannot be repaired solely through medication, as medications only relieve symptoms and cannot serve the purpose of treatment. This disease can cause ischemic and hypoxic changes, leading to heart failure. Patients typically present with a rumbling murmur in the precordial area, and may also experience palpitations, difficulty breathing, and other symptoms. It is sometimes crucial to actively monitor changes in the patient's blood pressure, heart rate, and pulse. The treatment primarily focuses on symptomatic relief, improving heart function, and may include the administration of low-flow oxygen inhalation to help alleviate the current condition of the patient.

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The reason for the formation of mitral stenosis pear-shaped heart

The heart undergoes a contraction cycle that begins once the ejection from the previous cycle is complete, necessitating the relaxation of the heart. As the heart relaxes, the mitral valve opens to allow blood to flow from the atrium to the ventricle, preparing for the next heartbeat. In patients with severe mitral stenosis, a significant reduction in the return volume of blood to the heart occurs. This reduction diminishes the pumping action of the ventricle, leading to disuse atrophy of the left ventricle. Normally, the left ventricle is relatively large and capable of maintaining a normal heart shape. When the left ventricle atrophies, it results in the heart having a flatter, more rounded apex, leading to a pear-shaped heart. If the ventricles are unable to efficiently reclaim blood, the load on the left atrium increases. Consequently, the left atrium enlarges, appearing larger at the top and smaller at the bottom in an X-ray, resembling a pear. This is how a pear-shaped heart is formed.

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Is severe mitral valve regurgitation serious?

Mitral valve regurgitation can be mild, moderate, or severe, with severe mitral valve regurgitation being the most serious. Over time, severe mitral valve regurgitation can cause enlargement of the heart and a decreased heart pumping function, eventually leading to symptoms of heart failure. Patients may experience difficulty breathing, shortness of breath, fatigue, and other symptoms. Additionally, there may be swelling in both lower limbs. When such symptoms occur, it is necessary to take diuretic medications under the guidance of a doctor to reduce heart strain, such as furosemide or spironolactone. If necessary, digoxin may be taken to strengthen the heart and improve symptoms of heart failure. After stabilization, a mitral valve replacement or repair surgery may be scheduled.

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Possible causes of blood-streaked sputum in mitral stenosis

If the patient shows signs of mitral stenosis, it could be due to congestive heart failure causing pulmonary congestion, which may lead to blood-streaked sputum. It is also possible that the bleeding is caused by vascular dilation. For bleeding caused by mitral valve issues, symptomatic treatment is primarily used. Medications to stop bleeding can be employed, as well as vasoconstrictors to achieve hemostasis. However, it is still recommended that the patient visit a hospital to undergo cardiac echocardiography and chest CT to further confirm the diagnosis and determine the treatment plan. Currently, medications that improve myocardial function or reduce cardiac load can be used for treatment.

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Mild regurgitation of the mitral and tricuspid valves, what's the cause?

Mild regurgitation of the mitral and tricuspid valves, if seen in healthy individuals without related organic diseases, mainly occurs due to the physiological aging of the mitral and tricuspid valves as age increases. This results in slight insufficiency during ventricular contraction, leading to mild regurgitation. This condition is not pathological and does not require treatment, nor does it lead to adverse consequences. However, if the mild regurgitation of the mitral and tricuspid valves is accompanied by an organic disease that causes ventricular enlargement, the cardiac enlargement and annular dilation result in relative regurgitation due to the organic disease. It is necessary to actively control the underlying disease to prevent further enlargement of the heart, which could worsen the insufficiency and cause more blood regurgitation.