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.
Tricuspid valve regurgitation is a condition in which the valve between the two right heart chambers (right ventricle and right atrium) doesn't close properly. This situation results in blood flowing back into your heart's upper right chamber (right atrium).ricuspid valve regurgitation. In tricuspid valve regurgitation, shown in the heart on the right, the valve between the two right heart chambers (right ventricle and right atrium) doesn't close properly. This situation results in blood flowing back into your heart's upper right chamber (right atrium).