You can resign as an executor if you can no longer handle the duties or feel uncomfortable with the level of responsibility.ou can resign as an executor if you can no longer handle the duties or feel uncomfortable with the level of responsibility.
Valve description. The Trifecta valve is a 3-leaï¬et stented pericar-. dial valve designed for supra-annular placement in the aortic position. Thevalveis fabricatedusing a polyester-covered titanium stent. The stent, excluding the sewing cuff, is covered with porcine pericardial tissue.
For more information on valve disease and its treatment, see Valve Disease. The tricuspid valve is located between the right atrium (top chamber) and right ventricle (bottom chamber). Its role is to make sure blood flows in a forward direction from the right atrium to the ventricle.Tricuspid valve disease refers to abnormal function of the tricuspid valve. Tricuspid regurgitation-the valve is leaky or doesn't close tight enough, causing blood to leak backwards across the valve. 2  Tricuspid stenosis-the valve leaflets are stiff and do not open widely enough, causing a restriction in the forward flow of blood.