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CGM fails prime directive
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<blockquote data-quote="DunePlodder" data-source="post: 654781" data-attributes="member: 25119"><p>It was a big discrepancy (especially if it was 5.7). I usually find that the lower the number the better the agreement. Once I get into double figures I treat my OneTouch Ultra readings with caution, often doing a second test after another hand wash.</p><p></p><p>Often just 2 calibrations seems fine, sometimes extra ones just seem to contradict each other - e.g. at lunch the Dexcom reads low then by evening it's high by a similar amount. I look at the graph & think if I hadn't calibrated at lunch it would be spot on now...</p><p></p><p>I think there is an element of "gut feeling" in this.</p><p></p><p>Do the results of calibrations always make sense to you? For example the Dexcom reading might be 6.0 with a steady horizontal arrow. A blood test shows say 6.8 but after calibration the Dexcom might show 6.3. Why not 6.8? Probably not a good example but I imagine you've seen similar situations.</p><p></p><p>Hope you've recovered from your hypo, and haven't "bounced" too high!</p></blockquote><p></p>
[QUOTE="DunePlodder, post: 654781, member: 25119"] It was a big discrepancy (especially if it was 5.7). I usually find that the lower the number the better the agreement. Once I get into double figures I treat my OneTouch Ultra readings with caution, often doing a second test after another hand wash. Often just 2 calibrations seems fine, sometimes extra ones just seem to contradict each other - e.g. at lunch the Dexcom reads low then by evening it's high by a similar amount. I look at the graph & think if I hadn't calibrated at lunch it would be spot on now... I think there is an element of "gut feeling" in this. Do the results of calibrations always make sense to you? For example the Dexcom reading might be 6.0 with a steady horizontal arrow. A blood test shows say 6.8 but after calibration the Dexcom might show 6.3. Why not 6.8? Probably not a good example but I imagine you've seen similar situations. Hope you've recovered from your hypo, and haven't "bounced" too high! [/QUOTE]
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