Within the first hour of continuous crrt, the loss/gain limit on the was at 160 ml/hr (set to 200 ml/3 hrs) and counting upward.Nothing was touching the scales and the effluent line was adjusted.The effluent scale was calibrated with the assistance of icon representative.Low end of calibration read -4 with upper end =3.The numbers were not increasing to reach the loss/gain limit.The patient vital signs and fluid balance remained stable.Over time, the loss/gain limit was not reached and gradually reset to +/-10.Patient treatment was completed.Patient vital signs and fluid loss remained stable.Manufacturer response for crrt pump with effluent scale, (brand not provided) (per site reporter).The calibration of the effluent scale was within standard.Effluent scale alarm is very sensitive, and a false alarm was most likely triggered by vibration of the building, air currents from heating/cooling bents, or other environmental factors.
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