Hemodialysis is a way of taking body wastes, poisons, and extra water out of your blood. During hemodialysis, your blood travels outside your body to a machine (dialyzer). Your blood is cleaned by a special filter in the machine.


An opening must be made on your arm where dialysis can be done (access). This opening will allow blood to be removed and put back into your arm. This must be done weeks or months before you start dialysis.


  • You will be weighed.

  • Two needles will be put into the access.

  • Your blood goes through one of the needles and into the machine.

  • The machine takes the waste out of your blood. The waste collects in a tube at the back of the machine.

  • Your clean blood then goes back to your body through the other needle.

  • You may hear the machine beep. This does not mean something is wrong. The beeps lets your doctor know if they need to make any changes.


  • You will be weighed.

  • Your blood will be tested to see if any changes need to be made to your dialysis treatment.

  • Usually, you will go to a dialysis center 3 times a week. Visits will last 3 to 4 hours.


  • Understand these instructions.

  • Will watch your condition.

  • Will get help right away if you are not doing well or get worse.