User`s guide

20 | Dexcom G4 PLATINUM Continuous Glucose Monitoring System
2
2.3 CONTRAINDICATIONS
•RemovetheDexcomG4PLATINUMSensor,Transmitter,
and Receiver before Magnetic Resonance Imaging (MRI),
Computed Tomography (CT) scan, or diathermy treatment.
The Dexcom G4 PLATINUM System has not been tested
during MRI or CT scans or with diathermy treatment. The
magneticeldsandheatcoulddamagethedevicesothatit
might not display sensor glucose readings or provide alerts,
and you might miss a low or high blood glucose value.
•Takingmedicationswithacetaminophen(suchasTylenol)
while wearing the sensor may falsely raise your sensor
glucose readings. The level of inaccuracy depends on the
amount of acetaminophen active in your body and may be
different for each person.
2.4 WARNINGS
•Thoroughlyreviewthetrainingmaterialsincluded
with your CGM system before using the Dexcom G4
PLATINUM CGM System. Incorrect use might lead to you
misunderstanding the information provided by your system,
or might affect system performance, and you might miss a
low or high blood glucose value.
•DonotusetheDexcomG4PLATINUMSystemfor
treatment decisions, such as how much insulin you should
take. The Dexcom G4 PLATINUM System does not replace
a blood glucose meter. Always use the values from your
blood glucose meter for treatment decisions. Blood glucose
values may differ from sensor glucose readings. Using the
sensor glucose readings for treatment decisions could lead
to low or high blood glucose value.
•Donotignoresymptomsofhighandlowglucose.Ifyour
sensor glucose readings do not match your symptoms,