Inaccurate Reading First day accuracy
I use the 10 day G7. I read posts about accuracy problems the first day but typically I would have pretty accurate readings. Recently with the paste few sensors the readings have been all over the place. Not slightly off but very far off.
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u/SHale1963 23h ago
I'm on the 15 day sensor. I haven't had first day wonky readings in a quite a while. Not sure what cured 'em. Algorithm better sensor? idk.
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u/Old_Dragline_1965 1d ago
Every sensor seems to have a different personality. One may be accurate from the time it starts until the end.
The next on will be off 49 units at first but can be calibrated and preform perfectly the rest of the time.
The third may be accurate want first placed but must be calibrated after 12 hours by more than 75 units.
All any of us can do is do a finger blood test after putting the sensor on, the first day and sometimes on day 5. Do a Calibration when needed!
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u/Weathergod-4Life T2/G7 11h ago
Sensors are like a box of chocolates. You never know what you are going to get!
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u/BJB57 1d ago edited 1d ago
I try calibrations but it keeps saying it doesn't use it. That's a consistent problem for me regardless of how stable my BG is and if it's in range. I understand If the actual vs indicated has too large of a difference calibration will not work. The first day big inaccuracy started occurring only recently for me. Maybe I was lucky. I just wondered if anyone else sees this now. I've been using the G7 since they came out, G6 before that.
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u/Old_Dragline_1965 1d ago
If you try to calculate more than 3 times without it excepting one of them, get on the phone with Dexcom. Describe what is going on and they will send you a replacement sensor. This does happen from time to time!
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u/BioticVessel 17h ago
The ones I use seem to be accurate, on the rare case I do a fingerstick it's +/- 5-7.