User`s guide
22 | Dexcom G4 PLATINUM Continuous Glucose Monitoring System
2
glucose readings to be inaccurate, and you might miss a
low or high blood glucose value.
2.5 PRECAUTIONS
•Beforeopeningthesensorpackage,washyourhandswith
soap and water, and let them dry. You may contaminate the
insertion site and suffer an infection if you have dirty hands
while inserting the sensor.
•Beforeinsertingthesensor,cleantheskinwithatopical
antimicrobial solution, such as isopropyl alcohol, and allow
to dry. This may help prevent infection. Do not insert the
sensor until the cleaned area is dry so the sensor adhesive
will stick better.
•Changethesitewhereyouplacethesensorwitheach
insertion. Using the same site too often might not allow the
skin to heal, and might cause scarring or skin irritation.
•Avoidinsertingthesensorinareasthatarelikelytobe
bumped, pushed or compressed or areas of skin with
scarring, tattoos, or irritation as these are not ideal sites
to measure glucose. Insertion in those areas might affect
sensor performance, and you might miss a low or high
blood glucose value.
•Avoidinjectinginsulinorplacinganinsulinpumpinfusion
set within 3 inches of the sensor. The insulin might affect
sensor performance, and you might miss a low or high
blood glucose value.
•Donotusethesensorifitssterilepackagehasbeen
damaged or opened. Using an unsterile sensor might
cause infection.
•Tocalibratethesystem,entertheexactbloodglucosevalue
that your blood glucose meter displays within 5 minutes of a










