Devices used: medtronic 670g insulin pump, medtronic contour next link 24 glucometer, guardian sensor 3.At 9:15am, student came to health office c/o stomach ache.Sensor bs was 275.Due to symptoms, a finger stick blood sugar was checked (bs).Glucometer bs was 426.Urine ketones were large.Had a finger stick bs not been checked, and we solely relied on the result of the sensor, the student's hyperglycemia would not have been treated properly.This is a potential safety issue with the guardian sensor.The sensor appeared in place and not due to be changed for 3 days.Fda safety report id# (b)(4).
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