Kidney Dialysis
- Created by: Jess
- Created on: 03-11-13 13:21
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- Kidney Failure
- Dialysis
- Haemdialysis
- 1. Toxins from the blood enter the dialysis
- 2. Toxins pass through the membrane and into the dialysate by diffusion
- 3. The blood becomes clean and the dirty leaves the dialysis
- The fluid is the same conc as ions meaning useful ions wont be lost from the blood
- It is permeable to ions but not large substances
- Peritoneal dialysis
- The blood is cleaned through a thin membrane called the peritoneum
- The peritoneum allows waste products to pass through it and is very rich in small blood vessels
- Dialysis fluid is passed through the cavity allowing exchange between the blood and the fluid taking up waste
- Advantages: fewer diet restrictions, no waiting list
- need to be carried out everyday, disrupts routine
- Haemdialysis
- Caused by the inflammation of the glomeri
- Kidney transplants
- must come from a healthy person and within the same tissue type
- The donor kidney can be rejected due to the foreign antigens, the patients body attacks these
- Advantages: Cheaper, doesn't disrupt everyday life
- Disadvantages: long waiting list, vulnerable to illness
- Dialysis
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