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Freestyle Libre Sensor: highly inaccurate??
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<blockquote data-quote="PW1" data-source="post: 1735975" data-attributes="member: 388457"><p>Just adding my experience to this discussion on the Libre. One thing I have noticed with Freestyle Libre, is that sometimes, when I am having to work on keeping the carbs low, or when I’ve eaten way too many carbs, there seems to be a noticeable difference between the blood sugar and the interstitial sugar. </p><p></p><p>My guess for these times is that my body is doing something sensible - like trying to maintain a steady blood sugar by pushing surplus glucose to the muscles, where it can be used up. This guess is based on the experience that I see in my glucose results. It happens more often when I am low carb than it does when I’ve been off low carb for a week or more. It is particularly noticeable when I am actively working to reduce the carbs and my body is adjusting to a change in carb values. </p><p></p><p>I have also found, that for me, when the way of eating falls apart the arm-based Libre sensor often reads higher peaks than blood testing. Again, I’m guessing this might be because my body is pushing the glucose to somewhere that it can be used instead of letting sit in the blood. Especially since things seem to settle when my macronutrients are more stable.</p><p></p><p>I am however pre-diabetic with reactive hypoglyceamia, so injections and medication do not come into my calculations - just carbs, protein and fat. I use the Libre to help me stay aware and not hide from the pre-diabetes. And to help me know when the meals are working - that and a clearer head with more energy, keep convincing me that keto works for the way my broken body uses energy. It is taking so long to get the way of eating right and to find the meals that I can manage in different situations. Low carb was first suggested to me 10 years ago for a different energy related condition, I’m still struggling to stay on track, but it really does help my body and brain.</p></blockquote><p></p>
[QUOTE="PW1, post: 1735975, member: 388457"] Just adding my experience to this discussion on the Libre. One thing I have noticed with Freestyle Libre, is that sometimes, when I am having to work on keeping the carbs low, or when I’ve eaten way too many carbs, there seems to be a noticeable difference between the blood sugar and the interstitial sugar. My guess for these times is that my body is doing something sensible - like trying to maintain a steady blood sugar by pushing surplus glucose to the muscles, where it can be used up. This guess is based on the experience that I see in my glucose results. It happens more often when I am low carb than it does when I’ve been off low carb for a week or more. It is particularly noticeable when I am actively working to reduce the carbs and my body is adjusting to a change in carb values. I have also found, that for me, when the way of eating falls apart the arm-based Libre sensor often reads higher peaks than blood testing. Again, I’m guessing this might be because my body is pushing the glucose to somewhere that it can be used instead of letting sit in the blood. Especially since things seem to settle when my macronutrients are more stable. I am however pre-diabetic with reactive hypoglyceamia, so injections and medication do not come into my calculations - just carbs, protein and fat. I use the Libre to help me stay aware and not hide from the pre-diabetes. And to help me know when the meals are working - that and a clearer head with more energy, keep convincing me that keto works for the way my broken body uses energy. It is taking so long to get the way of eating right and to find the meals that I can manage in different situations. Low carb was first suggested to me 10 years ago for a different energy related condition, I’m still struggling to stay on track, but it really does help my body and brain. [/QUOTE]
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