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How Dialysis Works

September 1, 2010

A while back I wrote about how the kidneys make urine.  To put it simply, the kidneys remove everything from the blood and then put back all of the good stuff.

Our machines cannot perform this well; instead we rely on basic chemical principles to remove excess wastes, including water, from the blood. With dialysis we can achieve 10-15% of normal kidney function which is enough to keep patients alive.

Two types of clearance remove these wastes: diffusion and convection. The video below will describe these processes in more detail.

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