heart and blood vessel disorders
Tricuspid Regurgitation
Causes of Tricuspid Regurgitation
Unlike other Overview of Heart Valve Disorders , tricuspid regurgitation usually occurs in a normal valve that has been affected by other heart disorders. The most common cause is when the right ventricle enlarges and resistance to blood flow from the right ventricle to the lungs is increased. Resistance may be increased by Severe, long-standing lung disorders, such as Chronic Obstructive Pulmonary Disease (COPD) or Disorders involving the left side of the heart such as Heart Failure (HF) None Narrowing of the pulmonary valve ( Pulmonic Stenosis ), on rare occasions To compensate, the right ventricle enlarges, stretching the tricuspid valve and causing regurgitation. Other, less common causes are infection of the heart valves ( Infective Endocarditis ) most often due to intravenous injection of illicit drugs, birth defects of the tricuspid valve, injury, 