User`s guide
22 | 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 device is MR
Unsafe. Do not bring any portion of the device into the MR
environment. The Dexcom G4 PLATINUM System has
not been tested during MRI or CT scans or with diathermy
treatment.Themagneticeldsandheatcoulddamagethe
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
MR