does mitral regurgitation cause a murmur?
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Symptoms. Some people with mitral valve disease might not experience symptoms for many years. Signs and symptoms of mitral valve regurgitation, which depend on its severity and how quickly the condition develops, can include: Abnormal heart sound (heart murmur) heard through a stethoscope.
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What causes mitral valve disease? Because of the high pressure created when the left ventricle contracts and pumps blood out to the body, the mitral valve may begin to 'wear out' and leak over time. This is known as mitral valve insufficiency (MVI) or mitral regurgitation and is often associated with a heart murmur.
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A heart attack can damage the area of the heart muscle that supports the mitral valve, affecting the function of the valve. If the damage is extensive enough, a heart attack can cause sudden and severe mitral valve regurgitation. Abnormality of the heart muscle (cardiomyopathy).
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Widely disparate estimates of long term survival in patients with mitral regurgitation—between 97–27% at five years—have been reported. We analysed the natural history of mitral regurgitation caused by flail leaflets because these patients present with severe mitral regurgitation in more than 85% of cases.
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Mitral valve prolapse is most often caused by idiopathic myxomatous degeneration of the mitral valve and chordae tendineae. Mitral regurgitation (MR) is the most common complication. Heart sounds often include a sharp, mid-systolic click that occurs earlier with the Valsalva maneuver.
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Doctors may diagnose mitral valve prolapse at any age. Your doctor is most likely to diagnose mitral valve prolapse while listening to your heart with a stethoscope during a physical examination. If you have mitral valve prolapse, your doctor may hear a clicking sound, which is common with this condition.
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Mild mitral regurgitation may not have any symptoms. When regurgitation is more severe, a person may have palpitations, often due to atrial fibrillation.
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Mitral valve prolapse and regurgitation Sometimes mitral valve prolapse causes blood to leak back into the atrium from the ventricle, which is called mitral valve regurgitation. Congenital mitral valve anomalies are defects present at birth (congenital) that affect the heart's mitral valve.
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Mitral valve prolapse is a common cause of a heart murmur caused by a "leaky" heart valve. Most cases of mitral valve prolapse are not serious and only need to be monitored. Mitral valve prolapse is associated with many other symptoms and conditions.
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If you have long-term untreated or improperly treated mitral regurgitation, you can develop a type of high blood pressure that affects the vessels in the lungs (pulmonary hypertension). A leaky mitral valve can increase pressure in the left atrium, which can eventually cause pulmonary hypertension.
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Occasionally though, a heart murmur can be linked to a problem with the way that blood flows through the heart, or a structural problem with the heart. Even if an underlying problem is the reason for a baby's heart murmur, there is treatment available. A heart murmur very rarely proves fatal.
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With mitral regurgitation, the valve does not seal completely and blood leaks back into the left atrium. This reverse flow forces the heart to work harder to circulate the blood and can result in shortness of breath, fainting, low blood pressure, fatigue, loss of appetite, and other symptoms.
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The cardiologist may have you do other tests such as an electrocardiogram (EKG) or echocardiogram to look for heart rhythm or structural problems and see how well your heart is working. A heart murmur itself does not require treatment.
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Mitral regurgitation is leakage of blood backward through the mitral valve each time the left ventricle contracts. Watch an animation of mitral valve regurgitation. A leaking mitral valve allows blood to flow in two directions during the contraction.
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(Because of these sounds, MVP is sometimes called click-murmur syndrome, floppy valve syndrome, or balloon mitral valve.) In most cases, the cause of MVP is unknown. Sometimes kids are born with the condition.
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A fibrillating atrium quivers and doesn't pump efficiently, which increases the risk for blood clots that may cause a stroke. Another potential complication of mitral regurgitation is pulmonary hypertension. Treatment for mild mitral regurgitation may include anticoagulation medication.
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They may be bothersome, but aren't usually life-threatening. People with severe mitral valve regurgitation or severe deformity of their mitral valve are most at risk of having rhythm problems, which can affect blood flow through the heart. Heart valve infection (endocarditis).