
Frequently Asked Questions (continued)
When will the receiver need to be recharged?
Thereceiverwillshowthelowbatteryalert.Youcanalso
chargethereceiverifyounoticethebatterysymbol
is low.
How do I re-charge the Receiver during the sensor session?
PeelbackandremovethesquaresealoverthereceiverUSBport.Plug
theUSBcableintotheACpoweradapter,andplugtheadapterintoawall
outlet.InsertthemicroUSBcableintothereceiverUSBporttorecharge
thereceiver.Whenchargingiscomplete,useanewsquaresealfromthe
receivershieldpackandplaceitovertheUSBport(seetheDexcomG4
PLATINUMProfessionalReceiverShieldPackageInsertformoredetailed
instructions).Ifyouuseall3squaresealsduringthe7daysensorsession
andthereceiverneedstobecharged,returnthereceivertoyourhealthcare
professionalofce.
How will I be able to see my glucose patterns and trends if the receiver
is in blinded mode?
ReceiverscanbedownloadedusingtheDexcomSTUDIOsoftwareinyour
healthcareprofessional’sfacility.Followupwithyourhealthcareprofessional
to review your glucose patterns and trends from the sensor session.
Can the Dexcom G4 PLATINUM Professional CGM System get wet?
ThereceiverCANNOTgetwetandisNOTwaterresistant.Showering,
bathingandswimmingisOKwhilewearingthesensorandtransmitteronthe
body.SeetheDexcomG4PLATINUMProfessionalSystemUser’sGuidefor
more details.
What can I do if the sensor tape starts to come loose?
Medicaltape(suchasBlenderm
™
, Tegaderm
™
,Smith&NephewIV3000
®
,
3M
™
tape)canbeusedforextrasupport.Ifyouusetape,onlytapeover
thewhiteadhesivepatchonallsidesforevensupport.SeetheDexcomG4
PLATINUMProfessionalSystemUser’sGuideformoredetails.
Calibration “Do’s”
•Usethesamebloodglucosemeterforallcalibrationsduringasensor
session
•Makesureyourbloodglucoseteststripsarecodedcorrectlyandnot
expired
•Washanddryyourhandsbeforetestingyourbloodglucose
•Useonlyngerstickbloodglucosevaluesforcalibration
Calibration “Don’ts”
•Don’tcalibratewhenyousee or inthestatusbar
•Don’tcalibrateifyourbloodglucosevaluefromyourbloodglucosemeteris
higherthan400mg/dLorlowerthan40mg/dL
•Don’tcalibratewhenacetaminophen(suchasTylenol
®
) is active in your
body
Calibrating (continued)
Calibration Update:
Thecalibrationsingleblooddroppromptwillappearon
thereceiverscreentoletyouknowacalibrationupdateis
needed.Toconrmthisprompt,pressSELECT.
Afterthestartupcalibration,calibrationupdatesmustbe
enteredonceevery12hoursataminimum.
NOTE:Calibratinglessthantherecommendedamount
may result in inaccurate sensor glucose readings. You can enter more
calibrationseachdayifyouwant.SeetheDexcomG4PLATINUM
ProfessionalSystemUser’sGuideformoredetailsoncalibrating.
Advanced Features of the Dexcom G4 PLATINUM
Professional CGM System
TheDexcomG4PLATINUMProfessionalSystemhasadvancedfeatures
and alerts that may provide more information to assess your glucose patterns
and trends. These advanced features that may provide additional information
inblindedmodeare:
Step 6
Calibrating
YouneedtouseyourbloodglucosemetertocalibratetheDexcomG4
PLATINUMProfessionalSystem.Attheendofthe2-hourstartupperiod,
youmustentertwocalibrationsbeforeanysensorglucosereadingswill
berecorded.Calibrationbloodglucosevaluesneedtobeenteredintothe
receiverwithin5minutesoftestingwithyourbloodglucosemeter.
Startup Calibration:
a. Afterthe2-hourstartupperiod,thestartupcalibration
doubleblooddroppromptwillshowonthereceiver
screen. Press the SELECT buttontoclearthisalert.
b. Washanddryyourhands.
c. Takeangerstickbloodglucosemeasurementusingyourbloodglucose
meter.
d. From any trend graph, press the SELECT buttontogettotheMainMenu.
e. Press the DOWNbuttontohighlightEnterBG.PresstheSELECT button.
f. Forthestartupcalibration,thedefaultbloodglucosevalueonthereceiver
is120mg/dL.PresstheUP or DOWNbuttontoentertheexactblood
glucosevaluefromyourbloodglucosemeter.PresstheSELECTbutton.
g. Press the SELECTbuttonagaintoacceptthe
calibration.Thecalibrationscreenwillthenshow.
h. Repeatstepsc-gtoenterasecondbloodglucose
value.Afterthesecondbloodglucosevaluehasbeen
entered,the“DisplayOff”screenshouldbevisible.
Step 7
Ending the Sensor Session
Thesensorautomaticallyshutsoffafter7days.The
receiverwillalertyouat6hours,2hoursand30minutes
beforethesensorsessionends.TheReplaceSensor
Now screen will show the sensor session has ended.
Thesensorpodandtransmittercanberemovedbythe
patient or healthcare professional.
Removing the Sensor Pod and Transmitter:
NOTE: Keep the sensor and transmitter together when removing from your
skin.
a. PeelthesensorpodoffyourbodylikeaBand-Aid
®
. Do not remove the
transmitterfromthesensorpoduntiltheentiresensorhasbeenremoved
fromyourbody.
b. Placethesensorpod/transmitteronaatsurface.Therearetwoways
youcanremovethetransmitter:
Sensor Troubleshooting
ThesearethemostcommonlyseenerrormessagesfortheDexcomG4
PLATINUMProfessionalSystem.Followtheinstructionstotroubleshootthe
error message. If other error messages come up on the receiver, refer to
theDexcomG4PLATINUMProfessionalSystemUser’sGuideorcontact
DexcomTechnicalSupportat1.877.339.2664 or 1.858.200.0200 for any
unresolvedquestions/troubleshootingissues.Iftheerrormessagecannotbe
resolved, contact your healthcare professional to discuss next steps.
Dexcom,DexcomG4,DexcomG4PLATINUM,DexcomG4PLATINUMProfessional,DexcomSTUDIO,andOneStepAhead
areeitherregisteredtrademarksortrademarksofDexcom,Inc.intheUnitedStatesand/orothercountries.Allotherproduct
orcompanynamesthatmaybementionedinthispublicationaretradenames,trademarksorregisteredtrademarksoftheir
respective owners.
Calibration prompt
Replace Sensor Now
screen
©2014Dexcom,Inc.Allrightsreserved. LBL-012214Rev05MT21694
Dexcom, Inc. I 6340 Sequence Drive I San Diego, CA 92121
Technical Support: 1.877.339.2664 / 1.858.200.0200 I www.dexcom.com
Enter BG
“thinking” screen
Display Off (CGM
in calibration and
recording readings)
Ending the Sensor Session (continued)
•Useyourngerstospreadthebacktabsofthesensorpod.The
transmitter will pop out
OR
•Usethesafetylock(fromthesensorapplicator).
Insert the jagged edges of the safety lock so they
“hug” the wide end of the transmitter in the sensor
pod. Press the safety lock down until you cannot
press anymore, and then pull up. The transmitter
will pop out. DO NOT discard the transmitter
c. Returnthefollowingcomponentstoyourhealthcareprofessional:
•Receiverwithreceivershieldstillintact.DONOTremovethereceiver
shieldbeforereturningittoyourhealthcareprofessional
•Transmitter
•Sensorpod(ifrequestedbyhealthcareprofessionaland/ortherewere
technical issues with the sensor)
•ACpoweradapter
•ChargingUSBcable
NOTE:Forproperremovalofthereceivershieldbythehealthcare
professional,seetheDexcomG4PLATINUMProfessionalSystemUser’s
Guide.
Blood Drop
in Status
Area
Calibration needed.
• Enter a calibration as described in Step 6 of this quick
start guide
Out of
Range
The receiver and transmitter are not communicating.
• Make sure the receiver is within 20 feet of the transmitter
• If the out of range icon continues to display, contact
Dexcom Technical Support
Wait 15
Minutes
Calibration
Error
Sensor is not calibrating correctly.
• Press the SELECT button. will show in status bar
• Wait 15 minutes, then enter 1 calibration
• If error continues, enter 1 more calibration, and wait 15
minutes
• If no sensor glucose readings show, contact Dexcom
Technical Support
Wait 1 Hour
Calibration
Error
Sensor is not calibrating correctly.
• Press the SELECT button. will show in status bar
• Wait about 1 hour, then enter 1 calibration
• Wait 15 minutes. If no sensor glucose readings show,
contact Dexcom Technical Support
Glucose
Reading
Error in
Status Area
Wait.
usually clears up by itself within minutes or
hours. If this continues after 3 hours, contact Dexcom
Technical Support.
• Do not calibrate
• Make sure the sensor pod is sticking well to your body
and nothing is rubbing against it
• Check that the transmitter is snapped in on both sides
Red stoplight in
upper right corner
Main Menu,
Events highlighted
Events menu,
Carbs highlighted
Transmitter with
safety lock snapped in
Frequently Asked Questions
Why can’t I take any acetaminophen containing medication while I am
using the Dexcom G4 PLATINUM Professional System?
AcetaminophenisacontraindicationoftheDexcomG4PLATINUM
ProfessionalSystemandshouldnotbetakenwhilethesensorisinserted.
TheDexcomG4PLATINUMProfessionalSystemmayrecordinaccurately
highwhenyoutakeacetaminophen-containingdrugs.Thelevelandduration
ofinaccuracymaybedifferentforeachperson.Tounderstandhowlong
acetaminophen-containingmedicinesmayaffectyourbody,consultyour
healthcare professional.
Startup calibration
prompt
Advanced Features of the Dexcom G4 PLATINUM
Professional CGM System (continued)
•EventMarkers(insulin,carbohydrates,exerciseandhealthrelatedissues)
•OutofRangeIconandAlert
Based on the recommendations of the healthcare professional, these
featurescanbeturnedofforonfortheindividualpatient’sneedsandgoals.
SeetheDexcomG4PLATINUMProfessionalSystemUser’sGuidefor
instructions to activate and use these features.
Low battery alert
Main Menu,
Alerts highlighted
Alerts menu,
Advanced highlighted
Advanced menu,
Out of Range highlighted
Indications for Use:
TheDexcomG4PLATINUMProfessionalContinuousGlucoseMonitoring
Systemisaglucosemonitoringdeviceindicatedfordetectingtrendsand
tracking patterns in persons (age 18 and older)withdiabetes.Thesystem
isintendedformultiplepatientuseandrequirespurchasebyahealthcare
provider. The system is not intended for use in a hospital setting.
TheDexcomG4PLATINUMProfessionalSystemisindicatedforuseasan
adjunctivedevicetocomplement,notreplace,informationobtainedfrom
standard home glucose monitoring devices.
TheDexcomG4PLATINUMProfessionalSystemaidsinthedetectionof
episodesofhyperglycemiaandhypoglycemia,facilitatingbothacuteand
long-termtherapyadjustments,whichmayminimizetheseexcursions.
InterpretationoftheDexcomG4PLATINUMProfessionalSystemresults
shouldbebasedonthetrendsandpatternsseenwithseveralsequential
readings over time.
Contraindications:
•RemovetheDexcomG4PLATINUMSensor,Transmitter,and
ReceiverbeforeMagneticResonanceImaging(MRI),Computed
Tomography(CT)scan,ordiathermytreatment.ThedeviceisMR
Unsafe.DonotbringanyportionofthedeviceintotheMRenvironment.
TheDexcomG4PLATINUMProfessionalSystemhasnotbeentested
duringMRIorCTscansorwithdiathermytreatment.Themagneticelds
and heat could damage the device so that it might not display sensor
glucosereadingsorprovidealerts,andyoumightmissaloworhighblood
glucose value.
•Takingmedicationswithacetaminophen(suchasTylenol)whilewearing
the sensor may falsely raise your sensor glucose readings. The level of
inaccuracydependsontheamountofacetaminophenactiveinyourbody
andmaybedifferentforeachperson.
Key Warnings - Risk of Blood Borne Pathogen
Transmission:
•UsersneedtoadheretoStandardPrecautionswhenhandlingor
usingthisdevice.Allpartsofthesystemshouldbeconsidered
potentiallyinfectiousandarecapableoftransmittingblood-borne
pathogensbetweenpatientsandhealthcareprofessionals.Formore
information,referto“GuidelineforIsolationPrecautions:Preventing
TransmissionofInfectiousAgentsinHealthcareSettings2007,”
http://www.cdc.gov/hicpac/2007ip/2007isolationprecautions.html.
Key Warnings - Risk of Blood Borne Pathogen
Transmission (continued)
•Thetransmittershouldbecleanedanddisinfectedafteruseoneach
patient.Thissystemmayonlybeusedfortestingmultiplepatientswhen
StandardPrecautionsandthemanufacturer’scleaninganddisinfection
procedures are followed.
•Replacethereceivershieldandacousticspacerwhentransferringthe
receiver to a new patient. Wear gloves when handling the receiver.
Handling the receiver without a shield or with a damaged shield could lead
to contamination, which could cause infection.
Key Precautions - Risk of Blood Borne Pathogen
Transmission:
•Ifall3squaresealshavebeenusedbeforetheendofthesession,return
thereceivertothehealthcareprofessionalofce.Donotchargethereceiver
if you cannot seal it. Unsealed receivers could spread contamination.
•Donotpuncturethereceivershieldforanyreason.Puncturedshieldscould
spread contamination.
•Inspectthereceivershield,sealsandspacerfortearsorotherdamage
ordefectsbeforeyouplacethecomponentsonthereceiver.Donotuse
any parts of the receiver shield pack that are damaged or defective. If
the receiver shield, seals and spacer are torn, damaged or otherwise
defective after giving to the patient, the patient should return the receiver
to the healthcare professional for a replacement. The damaged or
defectivereceivershieldshouldnotbetakenoffbythepatient.Ifadefect
or malfunction is suspected, the healthcare professional should retain the
shieldandcontactDexcomTechnicalSupport.Theshieldhelpsprotect
the user and healthcare professionals from contamination and allows the
receiver to function properly.
For complete details on the cleaning and disinfection procedures of the
DexcomG4PLATINUMProfessionalCGMSystem,refertotheDexcomG4
PLATINUMProfessionalSystemUser’sGuide.
Safetylock
Sensor Troubleshooting (continued)
Sensor
Failed
Sensor shuts off before end of 7-day session.
• Press the SELECT button to clear the alert/screen
• Contact Dexcom Technical Support
• Remove failed sensor and insert a new sensor
MR
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