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Message: <blockquote data-quote="Antje77" data-source="post: 2470350" data-attributes="member: 372207">It's the other way around. Your blood glucose changes first, so the sensor lags a bit behind a fingerprick. The software does compensate for this somewhat, by doing some prediction, but this won't work right after treating a hypo or such. On such moments it's important to always double check with a finger prick if the sensor shows you aren't rising yet, you might find you're already in the safe zone when Libre still thinks your hypo, causing you to overtreat.This video has a nice visual on how the time lag works:[MEDIA=youtube]d9UzbC7pf4E[/MEDIA]</blockquote>

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