How Cities Grow: Dispersion, not Densification. by Wendell Cox 10/15/2011. Analysts occasionally note that urban areas (cities) are becoming larger and denser. This is only half right.
1 Cost per patient was $14,469 for mitral valve replacement, and $11,606 for mitral valve repair. 2  At East Carolina University, surgeons say that the hospital gets paid a fixed fee of $25,000 for the total cost of each heart-valve repair regardless of whether robotics are used.
Timing belt replacement cost Replacing a timing belt for preventive reasons typically costs $500 to $900. However, replacing a broken timing belt may cost up to $2,000 or more if it caused damage to the valves, pistons or water pump.