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August 3rd, 2011, 07:08 PM
Join Date: Mar 2009
Posts: 73
Hi ladies,

I'm new to this whole blood glucose testing thing and have a question.

I tested tonight 2 hours after a meal and my reading was 127. I literally tested 5 minutes later just to be sure and my reading was 82. 5 minutes later it was 74 and 5 minutes after that it was 96. When there is such a large discrepancy should I just take an average?

I'm using the Walgreens glucose monitor and am wondering if these self test monitors have a high instance of unreliable readings.


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August 4th, 2011, 01:10 AM
Join Date: Apr 2011
Posts: 29
The meters are inaccurate, they should, however, be in the range of +/- 10-15% (which is a lot, regarding our thresholds).

Sometimes things go wrong, and you'll get a really odd number - in that case I test again immediately (without a nwe poke, just another drop of blood). If the two values are kind of the same it's OK, but if the second one ior really far of I test a third time and then decide whether the first value was a measuring error or whether I would have to take an average.

If your first value is too high, maybe you did one of the following:
-not wash your hands porperly
-or if you're using alcohol pads to clean: not wiping the finger dry properly
- poke was not deep enough and you had to press too hard to get the drop
- always wipe the first drop off and only use the second or third one
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August 6th, 2011, 07:26 PM
Join Date: Aug 2011
Posts: 3
Last Friday I had a 1 hour glucose test come back at 171, which prompted a 3-hour test, which I did on Wednesday. My fasting # was 89, but my next 3 were 170-190 (somewhere in that range). I went in for education this Friday and was given a monitor at the doc's office. I got an Abbott FreeStyle Lite. I was then sent to the lab to test it. They tested me with this new monitor and then they continued to run lab work on the same blood sample. I don't have that result yet, but it's intended to make sure the monitor is working properly.

I'll be using the advice above for the rest of my draws... want to be as accurate as possible. So far, my numbers today are fasting 88, breakfast 91, lunch 115. Hoping I'm eating the right foods and I can avoid insulin!
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