dialysis Flashcards
what does dialysis allow to happen
removal of toxins which build up with ESKD
allows the infusion of bicarbonate
which ions move from the blood to the dialysis fluid
- potassium
- urea
- sodium
what moves into the blood from dialysis fluid
HCO3
what is ultrafiltration
movement of water and all the solutes dissolved in it across a semi-permeable membrane in response to a pressure gradient
what type of membranes adsorb protein-bound solutes best
high flux membranes
what are the indications for acute dialysis
Acidosis Electrolyte abnormalities Intoxication Oedema Urea
AEIOU
indications for long term dialysis
- end stage renal failure
- any acute indication that continues long term
three options for long term dialysis
- continuous ambulatory peritoneal dialysis
- automated peritoneal dialysis
- haemodialysis
what type of catheter does peritoneal dialysis require
Tenckhoff dialysis
what is automated dialysis
involves peritoneal dialysis occurring overnight
complications of peritoneal dialysis
- bacterial peritonitis
- peritoneal sclerosis
- ultrafiltration failure
- weight gain
- psychological effects
how does haemodialysis work
patients have their blood filtered by a haemodialysis machine
options for haemodialysis
- tunnelled cuffed catheter
- arterio-venous fistula
where is a tunnelled cuffed catheter fitted
inserted into the subclavian or jugular vein with a tip that sits in the superior vena cava or right atrium
where are AV fistulas usually made
- radio-cephalic
- brachio-cephalic
- brachio-basilic
