Certified Hemodialysis Bio-Medical Technician (CHBT)

A hemodialysis machine displays a 'transmembrane pressure (TMP) high' alarm. What is the most likely cause?

Clotting within the dialyzer fibers, increasing resistance to ultrafiltration The dialysate temperature is set too high, expanding fluid volume The patient's blood pressure has dropped below 90 mmHg systolic The carbon tank has exhausted its chloramine removal capacity

Correct Answer:

Clotting within the dialyzer fibers, increasing resistance to ultrafiltration

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