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Message: <blockquote data-quote="JoCo" data-source="post: 1599404" data-attributes="member: 47169"><p>My reader failed after the 3rd sensor and was replaced free, as it most certainly should be. I am now on my 6th sensor. The fifth fell off after a shower. All the others were actually difficult to remove. Make sure you really clean the area with the alcohol swabs to remove any skin fats that may affect sticking. The first days reading are always the most inaccurate according to the stats in the instructions. So I apply the sensor, then leave it overnight to settle before the initial read to start it. Ready in 60 mins thereafter. Unexpected results can occur for several reasons. A failed sensor. But I haven't seen this. Low results are also more inaccurate according to the instructions.Rapidly changing glusoses. If you have recently eaten or injected or exercised then don't expect the two to match. You must rely on the finger test in these instances. There is a 10 minute delay after eating food before it begins to be absorbed into the blood. Then another 5 to 10 minutes for the blood glucose to reach the tissues around the sensor. So, a 10 to 20 min delay. Lastly both devices can have at least a 10% error on the readings. And upto 20 percent is allowable for some of the time. So there is plenty of potential there for disparate results. Also some drugs and conditions such as dehydration can affect the finger test. I use the sensor, but I ldon't rely on it. I look more at the glucose direction and the rate of increase or decrease on the graph. It is pretty useful to assess each batch of insulin, which does seem to vary rather a lot in my experience.</p></blockquote><p></p>

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