Also [email protected]. Not a lot of Zeppos out here.

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Cake day: June 16th, 2023

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  • I’ve had one for about 3 1/2 years and that’s not my experience, unfortunately. Some of the sensors are right on from the start and stay that way… maybe 30% of them. Some are off when they start and take 1-2 days to start reading correctly. In the meantime, it might say I’m 140 when my meters say 110, or 110 when my meters say 140, or at worst, Dexcom says 90 when I am obviously low and I check and it’s 65. Some sensors are just whacked out and unpredictable, like I’ll be hanging at 100 and it shows a quick drop to 90, 75, 65, and I’m uh, what? And check with a meter and it’s 110. The in-between sensors, they might be reading 30 points off for 3 days before I decide to calibrate and find out oh, it’s been telling me 80 when I’m really at 110. So, it’s always worth confirming.

    Dexcom’s own instructions say to never do a ‘correction’, meaning insulin or carbs, without double checking with a meter ‘if your symptoms don’t match the reading’. I can’t always tell whether I’m low or high or normal, so that means realistically, it’s good to double-check. I’ve had times where I was correcting at ‘80’ up to 120 repeatedly for days and once I calibrated it, I found out I had really been ‘correcting’ from 110 to 160.