Can you tell me how a dialysis machine function in a person with kidney failure?

Filters: Kidneys filters blood, They basically have all the body's blood pass through them and they have specialized filters that take salts, toxins, drug and drug metabolites out. When they are not working dialysis machine's try to take over that function. Medicine has advanced a lot, and they are better than before, but still are not as efficient as the natural human kidney.

Substitute...: Dialysis is needed for someone with acute or chronic kidney failure with so-called uremic syndrome with fluid and electrolyte derangement, and can be done through extracorporeal "circulation" - abdominal or vascular - to remove fluid excess and correct electrolyte imbalance for detail, ask the expert in charge. Best.