During a dialysis treatment interruption, how long may the patient's blood recirculate before it cannot be returned?

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Multiple Choice

During a dialysis treatment interruption, how long may the patient's blood recirculate before it cannot be returned?

Explanation:
During a dialysis interruption, the blood in the extracorporeal circuit can recirculate back into the patient if the circuit remains closed and the pump is not returning it through the dialyzer. However, without continuous flow and anticoagulation, blood in that circuit begins to clot, and once coagulation starts, reinfusing it can be dangerous. The safety window for returning that recirculated blood is about fifteen minutes; after that, the risk of clotting or other complications makes reinfusion unacceptable. So the approved limit is fifteen minutes for blood to recirculate and still be safely returned.

During a dialysis interruption, the blood in the extracorporeal circuit can recirculate back into the patient if the circuit remains closed and the pump is not returning it through the dialyzer. However, without continuous flow and anticoagulation, blood in that circuit begins to clot, and once coagulation starts, reinfusing it can be dangerous. The safety window for returning that recirculated blood is about fifteen minutes; after that, the risk of clotting or other complications makes reinfusion unacceptable. So the approved limit is fifteen minutes for blood to recirculate and still be safely returned.

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