User's Manual

Dexcom G5x System User Guide
Calibration
84
Warning
Don’t:
Use the system sensor glucose readings for treatment decisions.
Do: When making treatment decisions, such as the amount of insulin you
need, only use your BG value from your BG meter.
Why: Since they measure your glucose from different body fluids, sensor
glucose readings can be different from your meter’s BG values.
Consequences: If sensor glucose readings are used in determining
treatments, it could result in you missing a severe low or high glucose
event.
Precaution
Don’t:
Insert the sensor where bones are close to the skin’s surface (for
example, over your ribs or hip bones).
Why: If you insert the sensor in these areas, you may feel excessive pain
or damage your sensor.
Precaution
Do:
Change the site where you place the sensor with each new insertion.
Sensor placement is important. Choose a site:
•
At least 3 inches from insulin pump infusion set or injection site
•
Away from waistband, scarring, tattoos, irritation
•
Unlikely to be bumped or pushed
Why: Using the same site too often might not allow the skin to heal. Also,
insertion in these areas might affect sensor performance.
Consequences: Missing a severe low or high glucose event.
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