There are a variety of ways of evaluating a studentâs progress and achievement in the internship. These include an evaluation of work by the on-site supervisor, a studentâs self-evaluation, a visit to the work site by the faculty sponsor, and specific academic requirements fulfilled by the student.
Regurgitation/Insufficiency (leaky valve) - the valve does not close properly and allows blood to flow backward as well as forward in the heart. The valves in your heart may be damaged due to infection, rheumatic heart disease, wear and tear, tissue weakening or deterioration, or birth (congenital) defects.egurgitation/Insufficiency (leaky valve) - the valve does not close properly and allows blood to flow backward as well as forward in the heart. The valves in your heart may be damaged due to infection, rheumatic heart disease, wear and tear, tissue weakening or deterioration, or birth (congenital) defects.
If one or more of your valves is diseased or damaged, it can affect how your blood flows through your heart in two ways: 1  If your valve does not open fully, it will obstruct the flow of blood.  If the valve does not close properly, it will allow blood to leak backwards.