The tricuspid valve is on the right side of the heart, between the right atrium and the right ventricle. The normal tricuspid valve usually has three leaflets and three papillary muscles. Tricuspid valves may also occur with two or four leaflets, and the number may change during life.

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Inova Heart Center - An article about tricuspid valve disease as well as stenosis and regurgitation.
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The Merck Manual - Description of tricuspid regurgitation and stenosis. Symptoms, signs, diagnosis and treatment are discussed for both.
Tricuspid Regurgitation - A look at tricuspid regurgitation and its alternative name, as well as the causes and risk factors.
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