Articles on Medical Diseases and Conditions

The pulmonary valve controls the blood ?ow between the right ventri- cle and the pulmonary artery leading into the lungs . Although disease is rare, the pulmonary valve can develop regurgitation (backward leakage) or stenosis (narrowing). Pulmonary Regurgitation Pulmonary regurgitation is a condition in which some blood is allowed to leak back from the pulmonary […]

The tricuspid valve is on the right side of the heart, regulating the blood ?ow between the right atrium and the right ventricle. Disease in this valve is fairly rare. However, regurgitation (backward leakage of blood through the valve) may occur as the only valve problem or may occur with other problems. Stenosis (narrowing of […]