Question

what is hemodialysis? why it done to a patient suffering from kidney failure​

Answer 1

Answer:

When your kidneys fail, dialysis keeps your body in balance by: removing waste, salt and extra water to prevent them from building up in the body. keeping a safe level of certain chemicals in your blood, such as potassium, sodium and bicarbonate........

Answer 2

The history of dialysis dates back to the 1940s. The first type of dialyzer, then called the artificial kidney, was built in 1943 by Dutch physician Willem Kolff. Kolff had first gotten the idea of developing a machine to clean the blood after watching a patient suffer from kidney failure.