Heart Disease S-ZSaphenous VeinThe vein in the legs that is often removed and used to bypass a blocked vessel in coronary bypass surgery.StenosisNarrowing of a blood vessel, heart valve or other bodily passage.StentsTiny metal “scaffolds” that support tubular structures such as arteries. A stent may be used to keep a collapsed artery open until surgery can take place, it may hold a vessel open while a physician works on it, or it may provide a permanent opening in a blocked artery, placed during percutaneous transluminal coronary angioplasty (PTCA).SuturingClosing the edges of a wound or incision using sterile suturing material and a needle.Transatrial CommissurotomySurgery involving the use of a hooked knife to separate the commissures – fibrous leaflets – of the mitral valve. Approaching via the atria rather then the ventricles makes it easier to locate the mitral valve.Tricuspid ValveA valve consisting of three cusps located between the upper and lower chambers (atrium and ventricle) on the right side of the heart.Valve SurgerySurgery to repair or replace a heart valve that is not functioning properly.Valvular Heart DiseaseAn acquired or congenial disorder of a cardiac valve.ValvuloplastyThe use of a balloon-tipped catheter to dilate a cardiac valve.VeinA blood vessel that conveys blood from various parts of the body back to the heart.VentriclesThe two lower or main pumping chambers of the heart. They receive blood from the atria and pump it to the lungs and the various parts of the body.![]()
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