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Calibrate Dexcom G6?

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Adam 48

Adam 48

Member
Relationship to Diabetes
Parent of person with diabetes
Hi, I'm on the nag again! My daughter changed her sensor for the first time yesterday, and the readings have been way out: 5 last night! Still out this morning. I know it can take 24 hours to "bed in", but would it be worth calibrating?
Thank You
 
I think the official advice is don’t calibrate within the first 24 hours, for the exact reason you mentioned. If you can hang on that long then maybe do it after that if it’s still out! When my daughter got her first one, almost as soon as it came online after the warm up she compared it with a finger prick and Libre (still had the last one of those on!) and it was quite a few out from both so she did a calibration straight away before I even knew what she was doing. Then promptly went low after the next bolus so the calibration obviously wasn’t needed and she had to change it back. DSN advised never to calibrate it; we checked it against finger pricks fairly regularly at first but apart from that first one they were almost always within 0.2 so we don’t bother any more. Maybe we’ve been lucky but apart from a few that have read low for a few hours after start up they’ve always been really accurate for us.
 
Thank you Sally, we'll leave it for now then. We are ringing our nurse tomorrow anyway, so I'll ask her then. It is 2 out morning, so an improvement! Really alarmed last night, showing 19.9, when the finger prick showed her as 14.2!
 
Adam 48 said:
Thank you Sally, we'll leave it for now then. We are ringing our nurse tomorrow anyway, so I'll ask her then. It is 2 out morning, so an improvement! Really alarmed last night, showing 19.9, when the finger prick showed her as 14.2!
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I've always found Dex to be way if I have a high BS or a low.
I also ignore the official advice regarding not calibrating for 1st 24 hours if sensor way out.
 
I don’t mind giving a G6 sensor a little nudge early-on of it starts up a little out of whack.

With CIQ both adding and removing insulin it seems more important to keep things relatively in-line to me. But I wouldn’t just set it and forget it. I would recheck and if necessary recalibrate a few times when BG was pootling along steadily (not rising or falling) over the first 2-3 days if it had started out a bit wobbly.
 
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