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Q17. What is a ketone warning?
When your blood glucose result is higher than 240 mg/dL (13.3 mmol/L), the meter
displays the blood glucose reading as well as a Ketone warning (flashing KETONE
and” ”). The ketone warning is to notify you that you may be at risk of elevated
Ketone levels, and a Ketone test is recommended.
Q18. Can hematocrit levels affect the result?
Hematocrit levels can affect results whether the sample is obtained from a forearm or
a finger stick. You should refer to the specification of each BGM’s Haematocrit
tolerance range. For example, suppose the meter’s hematocrit tolerance range is
30% to 55%. In that case, that indicates hematocrit levels less than 30% may cause
falsely high readings, and hematocrit levels greater than 55% may cause falsely low
readings. If the patient does not know their hematocrit level, they should consult their
health care professional.
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