Which of the following actions should be taken if a dialysis technician detects a clotting in the extracorporeal circuit?

When a dialysis technician detects clotting in the extracorporeal circuit, notifying a physician is the most critical action to take. This is because clotting can indicate a serious issue that may compromise the patient's treatment and safety. The physician needs to be informed so they can assess the situation, determine the underlying cause of the clotting, and make decisions regarding the patient's care.

Clotting of the circuit can lead to reduced blood flow, diminished dialysis efficiency, or even complete circuit failure if not addressed promptly. The physician may order additional interventions such as adjusting anticoagulation therapy, which is essential in managing the patient's blood coagulability during treatment.

Ensuring the presence of a physician before making any changes to the dialysis setup is in line with clinical protocols to maintain patient safety and optimize treatment outcomes. After a physician is notified, the team can follow established protocols based on their guidance, which may involve further actions like changing the dialyzer or adjusting settings if appropriate.