A wrong (too concentrated) insulin type was used by the patient.There are no data suggesting any failures with regards to the insulin pump, insulin reservoir or the insulin infusion set.Due to the wrong type of insulin, the patient had consistently received five time too much active insulin compared the intended insulin dosing.
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Unomedical reference: (b)(4).A male diabetic patient is receiving insulin via a medtronic insulin pump and a medtronic quick-set infusion set (mmt-397).Patient reports multiple episodes of hypoglycemic events.One such episode, (b)(6) 2017, resulted in ambulance and er care at a hospital.Patient feels that his pump is delivering too much insulin and has begun to sleep with pump fully disconnected.After lengthy trouble-shooting the patient informs that he is using humulin r u500 insulin.Medtronic help desk explains that he must use the u100 humulin type with his pump.Patient is asked to contact his hcp for prescriptions of the correct humulin r u100 insulin.Per volume, u500 contains five times as much active insulin compared to the u100 type.I.E.: the patient has been 500% overdosed due to using the wrong insulin type.This fact fully explains the multiple experienced hypoglycemic incidents.(medtronic reference is (b)(4)).
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