Hemodialysis

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Learn how hemodialysis removes waste products from the blood when the kidneys fail.

Key points

  • Hemodialysis uses a mechanical kidney, called a dialyzer, to clean the blood when the kidneys can no longer do so.
  • Blood travels to and from the dialyzer through a central venous line or fistula.
  • Hemodialysis can be done at home or in the hospital.
Last updated: July 30th 2014