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Monitoring
Blood Glucose
"E-4" Result
What It Means:
Your blood glucose may be too
high to be read by the system,
or there may be a problem with
the test strip.
What to Do:
Monitor your blood glucose
again with a new test strip. If
E-4 shows on the display
window again, contact your
healthcare professional
immediately.
Important:
It is recommended that you
repeat the blood glucose test
with a new test strip when:
•LO shows on the
display window.
•You obtain a low blood
glucose result, but you do
not have symptoms of low
blood glucose.
•Your monitor displays a blood
glucose result that is unusually
low, lower than 50 mg/dL
(2.8 mmol/L).
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