Lifescan Ultra 2 - Manual (Page 35)

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CAUTION: High glucose results
If your test result is higher than 180 mg/dL, it may mean hyperglycemia
(high blood glucose). If you are uncertain about this test result, consider re-testing.
Your healthcare professional can work with you to decide what actions, if any, you
should take if your results are higher than 180 mg/dL.
If your meter displays HIGH GLUCOSE, you may have a very high blood glucose
level (severe hyperglycemia) exceeding 600 mg/dL. Re-check your glucose level.
If the result is
HIGH GLUCOSE again, this may indicate a severe problem with your
blood glucose control and it is important you obtain and follow instructions from
your healthcare professional without delay.
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CAUTION: Repeated unexpected glucose results
If you continue to get unexpected results, check your system with control solution.
See Control solution testing, pages 42–46.
If you are experiencing symptoms that are not consistent with your blood glucose
results and you have followed all instructions in this booklet, call your healthcare
professional. Never ignore symptoms or make significant changes to your diabetes
control program without speaking to your healthcare professional.
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CAUTION: Unusual red blood cell count
A hematocrit (percentage of your blood that is red blood cells) that is either very
high (above 55%) or very low (below 30%) can cause false results.
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