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Tricuspid regurgitation is a disorder in which the heart's tricuspid valve does not close properly, causing blood to flow backward (leak) into the right upper heart chamber (atrium) when the right lower heart chamber (ventricle) contracts.
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Tricuspid valve insufficiency occurs when a tricuspid valve does not close tightly enough to prevent leakage. This condition is also called tricuspid valve regurgitation and tricuspid incompetence.
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Valve disease occurs when a valve doesn’t open or close the way it should. If a valve doesn’t open all the way, the heart has to push blood through a smaller opening. If the valve doesn’t close tightly, some blood will leak backward.
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