Undetected hypoglycemia; continuous glucose meter displays 'sensor error' and does not communicate with the insulin pump that is supposed to suspend insulin delivery when there is a predicted low blood sugar.This has happened with 9 of 10 sensors.This last one went bad before receiving the replacement of the previous one that went bad.The replacements are also not working correctly.This can be a life or death situation when dealing with a low blood sugar.I have photos of the gaps in cgm-pump/phone communication.I also have a photo of my pump being suspended when no communication was received from undetected.When calling dexcom for the problem, i have always been referred to tandem (my pump company) for replacement of the malfunctioning sensor.Dexcom is not taking ownership of the problem, and nothing has been done to correct it.Fda safety report # (b)(4).
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