51.6 MB (1.8 MB compressed)
5200 x 3467 pixels
43.9 x 29.5 cm ⏐ 17.3 x 11.6 in (300dpi)
LIFE IN VIEW / SCIENCE PHOTO LIBRARY LIFE IN VIEW / SCIENCE PHOTO LIBRARY
This is a real situation. Image not to be used in a defamatory context.
Kidney dialysis. Nurse taking blood from a patient's arm to check its purity after dialysis. Kidney dialysis, or haemodialysis, is required when the kidneys are unable to filter waste products from the blood. The patient's blood flows out of their body through a tube into a dialysis machine (not seen), or dialyser. This 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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