This is a real situation. Image not to be used in a defamatory context. Dialysis unit. Nurse checking on a patient in a dialysis treatment unit. Kidne

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This is a real situation. Image not to be used in a defamatory context. Dialysis unit. Nurse checking on a patient in a dialysis treatment unit. Kidney dialysis, or haemodialysis, is required when the kidneys are no longer able to filter waste products from the blood properly. A patient's blood flows out of their body through a tube into a dialysis machine (right), or dialyser, which acts as an artificial kidney, removing waste products and excess fluid from the blood. The cleaned blood is then returned to the patient through a second tube. The procedure takes several hours and needs to be repeated several times a week.

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Photo credit: © LIFE IN VIEW/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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