Yeah I noticed the UK after I posted… TY for the hello!Welcome to the forum @Dernspiker . I cannot help you with your question as I am not on insulin. I just want to welcome you. I am sure a member will be able to answer your question, but it will likely be a T1 as I don't think the UK 's NHS supplies pumps to insulin dependant T2 diabetics, unlike The US and Canada.
Hi,If you don’t physically feel like your glucose is neither high or low but you Dexcom says you are should you calibrate a manual glucose reading with your Dexcom. If correction happens often is there anything you’re doing incorrectly?
No problems.Thanks @Jaylee I was just about to start tagging.
Hey there. I saw an old post regarding the "pre-soaking" of the g7. Did you ever figure out if it can go more than 12 hours? I usually only do 12 but i spaced out and thought i had 10 hrs left from the grace period when in fact it was 10 hrs for the first expiration. Debating if i wanna leave it the 20 hrs of pre soak or cut it short at 12.Hi @Dernspiker and welcome to the DCUK forums.
I use a dexcom G7 with a tandem tslim pump (previously using a G6).
I second @Jaylee 's calibration suggestions to only calibrate when the graph is showing a straight line.
I have had quite a few chats with dexcom customer support about calibration and they told me not to calibrate in the first 24 hours, because your body's reaction to the sensor means that it can be quite inaccurate for the first 24 hours and if you calibrate too early then it'll read incorrectly when you've finished the reaction. I try to preinsert my new sensor by about 12 hours to get round this issue. (I insert a new sensor at the start of the 12 hour grace period from the old sensor , but don't activate it on my pump till the end of that period.)
If the sensor reading is wildly out, dexcom won't let you do the calibration. (This is usually the point at which I reckon I have a bad sensor and contact dexcom for a new one.)
And I definitely do a bg test if I don't trust the reading on my dexcom. Glucometers can be inaccurate too, but if your hands are clean then they should be more accurate than a sensor. And I find glucometers much more accurate during hypos. That is the main time I use mine, because the dexcom reading lags and will tell me I'm still going down when in fact my bg has started to rise.
But dexcom customer support also told me not to calibrate "too often". I basically got the impression that they would prefer you didn't calibrate the G7 at all...
Now I know not to believe the sensor for the first 12 -24 hours I get on much better with it. Though occasionally I do get a bad batch of sensors, they seem to have become more reliable over the last year.
Well if you do find out please update us here. I'd like to know too.@EllieM Thank you! I see, I do have a tablet I could add it to and ignore it during that time...but...half of me also wants to find out for sure by just trying.
After spending 20 hrs with it, unfortunately since the quality of dexcoms has gone down so badly it had failed on deployment. The canula did not go into the skin and wasted all that time. Now i will have terrible readings for 24hrs :,(Well if you do find out please update us here. I'd like to know too.
I hate it when that happens. Luckily my G7s have been quite reliable recently.After spending 20 hrs with it, unfortunately since the quality of dexcoms has gone down so badly it had failed on deployment. The canula did not go into the skin and wasted all that time. Now i will have terrible readings for 24hrs :,(
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