I make 99% of my dosing decisions off of my Dexcom. To me, it’s not worth wearing it if I’m not going to use it to it’s fullest capacity. I calibrate thoughtfully and carefully to ensure that my Dex is as accurate as possible. But, I don’t worry when it’s not the same as my meter because I can’t even get two separate fingers to give the same reading on my meter. If it’s way off, generally when the sensor is near the end of it’s life, I will use the meter as a backup. Otherwise, I go with the Dex all the time.
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I agree 100% with this. I have the exact same thought process.
I only used a Dexcom for about 6 months. During that time, it was generally fairly obvious if it was giving me good data or if it was spazzing out on me. If I ever use one again I’d dose based on it all the time unless it was spazzing out…
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In late June I wrote a blogpost about playing a game called Dexcom Blindman’s Bluff. Essentially I went two days where I only used my meter for Dexcom calibrations and didn’t even look at my Dexcom screen except when alerted for calibrations and out-of-range numbers. It was kind of playing artificial pancreas where I completely relied on the Dex. It was also a test of being comfortable to have my BG in a range, not an exact number.
BTW I dose off my Dexcom at least 75% of the time. I have done it for so long that most of the time it doesn’t dawn on me to use my meter. Is the Dex number always “correct”? Probably not, but neither are my meters. I am also experienced enough to know some of the times that my Dex might be off. It hasn’t killed me yet, but you have to remember that I was diagnosed long before home BG testing.
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