Abstract
This case showed that it is possible for haemoglobin released by haemolysis in the extracorporeal circuit to pass through a high permeability (albumin retaining) dialyser membrane. In the incident described, the blood leak detector of the dialysis machine was activated before the patient became symptomatic. Haemolysis should be considered as a possible cause of blood leak alarms during dialysis with high flux membranes.
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