The user facility reported that the device was in use with a patient for pressure monitoring while infusing heparinized saline.During a routine check, it was noted that the arterial line was backflowing and the saline bag was empty.The user facility replaced the bag of heparinized saline and observed the solution to be infusing quickly and the patient's blood pressure reading was higher than nibp.Visual inspection by the user facility found that the flush valve appeared to be stuck slightly open and the saline solution was therefore infusion at a higher rate than expected.No adverse effects to the patient were reported.
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