1.5 Minimum Cost Analyses. A similar, but different problem is the determination of the point of minimum total cost. Instead of balancing two methods with different fixed and variable costs, the aim is to bring the sum of two costs to a minimum.
The tricuspid valve forms the boundary between the right ventricle and the right atrium. Deoxygenated blood enters the right side of the heart via the inferior and superior vena cava.
The tricuspid valve prevents back flow of blood from the right ventricle into the right atrium during ventricular systole when the valve closes and allows blood to flow from right atrium into right ventricle during ventricular diastole when it opens.