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Diabetes Management
Blood Glucose Monitoring
A lot of questions about Xdrip+
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<blockquote data-quote="UK T1" data-source="post: 2377362" data-attributes="member: 503751"><p>Hi, Abbott is pretty clear on needing to confirm a hypo with a finger prick test. The sensors are less accurate below 4 and above 10mmol too of course.</p><p>The way the sensor works, I wouldn't be surprised if it was unable to detect anything lower than 2.2, as I believe it works by detecting a current across the filament caused by glucose in your interstitial fluid. I hope I'm not remembering this incorrectly, but it explains why dehydration can affect readings, as well as pressure. The higher the glucose levels, the higher the current. But definitely do a back up finger prick test when you're hypoing (under 4mmol) to confirm treatment needed. Hope that helps a little.</p></blockquote><p></p>
[QUOTE="UK T1, post: 2377362, member: 503751"] Hi, Abbott is pretty clear on needing to confirm a hypo with a finger prick test. The sensors are less accurate below 4 and above 10mmol too of course. The way the sensor works, I wouldn't be surprised if it was unable to detect anything lower than 2.2, as I believe it works by detecting a current across the filament caused by glucose in your interstitial fluid. I hope I'm not remembering this incorrectly, but it explains why dehydration can affect readings, as well as pressure. The higher the glucose levels, the higher the current. But definitely do a back up finger prick test when you're hypoing (under 4mmol) to confirm treatment needed. Hope that helps a little. [/QUOTE]
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