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Abbott FreeStyle Libre 2, In-Service Manual, Page: 14 / 25

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Abbott FreeStyle Libre 2 In-Service Manual Download Page 14

Interpreting Sensor Readings

Sensor Readings

Sensor glucose readings appear after scanning your sensor. Before making treatment decisions, it is important 

to understand your sensor readings. 

Use all of the information on the screen

 when deciding what to do or 

what treatment decision to make.

Page 14 of 25

350

250

150

50

2pm

6pm

10pm

82 

mg

dL

Glucose Going 

Low

Glucose Trend Arrow

Rapid-Acting 

Insulin Note

Food Note

Current Glucose

Current Glucose

Target Glucose Range

Your Target Glucose Range

is not related to your

glucose alarm settings. 

S

en

so

r G

lu

co

se R

ea

d

in

g

s

NOTE:

The      symbol may appear, indicating the reader time was changed. Gaps in the graph 

may result or glucose readings may be hidden.

NOTE:

While sensor glucose readings are gathered in the system range of 40-400 mg/dL, the 

graph display range is 0-350 mg/dL for ease of review on screen. Glucose readings above 350 

mg/dL are displayed at 350 mg/dL.

Summary of Contents for FreeStyle Libre 2

Page 1: ...if your glucose alarms and readings do not match symptoms or when you see Check Blood Glucose symbol during the first 12 hours See inside for Indications and Important Safety Information FreeStyle Libre 2 System IN SERVICE GUIDE ...

Page 2: ...closed loop and insulin suspend systems MRI CT Diathermy The System must be removed prior to Magnetic Resonance Imaging MRI Computed Tomography CT scan or high frequency electrical heat diathermy treatment The effect of MRI CT scans or diathermy on the performance of the System has not been evaluated The exposure may damage the Sensor and may impact proper function of the device which could cause ...

Page 3: ...se readings You must scan the Sensor to get your real time current glucose level as the Reader will not provide this information without a scan In the event that your Sensor stops working and you do not have another Sensor readily available you must use an alternate method to measure your glucose levels and inform your treatment decisions The System is designed to detect certain conditions which m...

Page 4: ...or Applicators with different Sensor codes together as this will result in incorrect glucose readings Wash application site on the back of your upper arm using a plain soap dry and then clean with an alcohol wipe This will help remove any oily residue that may prevent the Sensor from sticking properly Allow site to air dry before proceeding Carefully preparing the site according to these instructi...

Page 5: ...ing other test strips with the Reader s built in meter will produce an error or cause the Reader s built in meter to not turn on or start a test The Reader s built in meter does not have ketone testing functionality The Reader s built in meter is not for use on people who are dehydrated hypotensive in shock or for individuals in hyperglycemic hyperosmolar state with or without ketosis The Reader s...

Page 6: ...e sensor is worn on the back of the upper arm and measures and stores glucose readings every minute Follow the instructions to prepare and apply the sensor The sensor may be worn for up to 14 days with no fingersticks for calibration or insulin dosing Fingersticks are required if your glucose alarms and readings do not match symptoms or when you see Check Blood Glucose symbol during the first 12 h...

Page 7: ...P 8 Peel lid completely off sensor pack Unscrew cap from sensor applicator CAUTION Sensor codes must match on sensor pack and sensor applicator or glucose readings will be incorrect STEP 3 Sensor applicator is ready to apply sensor CAUTION Sensor applicator now contains a needle Do not touch inside sensor applicator or put it back into sensor pack STEP 6 Make sure sensor is secure by gently pressi...

Page 8: ...ow to understand the Glucose Trend Arrow included on the Glucose Reading screen When to do a blood glucose test Where to apply the Sensor Why not to take more than 500 mg of Vitamin C supplements per day How to return to the Home Screen from any other screen Hold reader within 1 5 inches 4 cm of sensor to scan it Sensor can be used to check your glucose after 1 hour STEP 3 Start New Sensor Review ...

Page 9: ...sor is not successfully scanned within 15 seconds the reader displays a prompt to scan the sensor again Touch OK to return to the Home Screen and touch Check Glucose to scan your sensor STEP 2 350 250 150 50 236mg dL 6am 10am 2pm Glucose Going High Reader shows your glucose reading along with your glucose graph and an arrow indicating the direction your glucose is going STEP 3 Press Home Button to...

Page 10: ...mmunicating with the Reader and that you will not receive Low or High Glucose Alarms When you are finished setting your alarms touch OK Change Alarm Settings Alarm Settings Low Glucose 70 mg dL High Glucose 240 mg dL Signal Loss On OK OK Low Glucose Alarm High Glucose Alarm Signal Loss Alarm Change Alarm Settings Alarms Sound Vibration Time Date Settings 1 3 Alarms Sound Vibration Time Date Settin...

Page 11: ... change this value between 60 mg dL and 100 mg dL When the alarm is on you will be notified when your glucose crosses below the level you set Touch the slider to turn the alarm off Touch done to save The Low Glucose Alarm notifies you if your glucose crosses below the level you set The alarm does not include your glucose reading so you need to scan your Sensor to check your glucose Touch Dismiss A...

Page 12: ...et Low Glucose Events Sensor Usage Use the arrows to view the available options STEP 3 Press Home Button to turn on the reader and go to Home Screen STEP 1 References 1 Readings above or below your Target Glucose Range are orange while readings in range are blue 2 The thick black line shows the median midpoint of your glucose readings 3 The gray shading represents a range 10 90 percentiles of your...

Page 13: ...r until surfaces are wet NOTE Make sure liquid does not get into the test strip and USB ports Allow the reader surfaces to remain wet for 60 seconds After 1 full minute immediately dry with a clean paper towel to remove any residual moisture When finished thoroughly wash your hands with soap and water Maintenance and Disposal Maintenance Disposal Your sensor automatically stops working after 14 da...

Page 14: ...ng Low GlucoseTrend Arrow Rapid Acting Insulin Note Food Note Current Glucose Current Glucose Target Glucose Range Your Target Glucose Range is not related to your glucose alarm settings Sensor Glucose Readings NOTE The symbol may appear indicating the reader time was changed Gaps in the graph may result or glucose readings may be hidden NOTE While sensor glucose readings are gathered in the syste...

Page 15: ...r glucose is going Glucose is rising quickly more than 2 mg dL per minute Glucose is rising between 1 and 2 mg dL per minute Glucose is changing slowly less than 1 mg dL per minute Glucose is falling between 1 and 2 mg dL per minute Glucose is falling quickly more than 2 mg dL per minute Page 15 of 25 ...

Page 16: ...Readings Messages will appear on the Reader when glucose readings are trending If your glucose is projected to be higher than 240 mg dL or lower than 70 mg dL within 15 minutes a message will appear on the screen Touch the message button for more information and set a reminder to check your glucose again m6 m6 DISPLAY WHAT TO DO Page 16 of 25 ...

Page 17: ... If your glucose is higher than 240 mg dL or lower than 70 mg dL you will see a message on the screen You can touch the message button for more information and set a reminder to check your glucose WHAT TO DO DISPLAY Sensor Readings Low Glucose High Glucose Message 350 250 150 50 2pm 6pm 10pm mg dL 63 Low Glucose Page 17 of 25 ...

Page 18: ...gh Glucose HI If LO appears on the reader your reading is lower than 40 mg dL If HI appears on the reader your reading is higher than 400 mg dL You can touch the message button for more information Check your blood glucose on your finger with a test strip If you get a second LO or HI result contact your healthcare professional immediately WHAT TO DO DISPLAY Sensor Readings Page 18 of 25 ...

Page 19: ...ll appear during the first 12 hours of sensor wear When you see the symbol during the first 12 hours of wearing a Sensor this is a reminder that your body might still be getting used to the new Sensor Confirm Sensor glucose readings with a blood glucose test before making treatment decisions Sensor Readings Page 19 of 25 ...

Page 20: ...rds After lunch Lisa sees her glucose is high but trend arrow is pointing diagonally down indicating glucose could decrease 15 30 mg dL in the next 30 minutes Lisa does not take a correction dose as it is within 2 hours of her meal dose and the trend arrow is pointing downward This could result in insulin stacking and low glucose Lisa sets a reminder to scan again in 30 minutes Before sleep Lisa s...

Page 21: ...ngs with a blood glucose meter until you understand Sensor accuracy may vary between sensors Sensor accuracy may vary during a sensor wear session Sensor accuracy may vary in different situations meals exercise first day of use etc UNDERSTAND YOUR INSULIN Understand how your insulin works including how long it takes to start working and how long it lasts in your body NOTE Making a treatment decisi...

Page 22: ...toms that may be due to low or high blood glucose If you re the caregiver pay attention to times when the symptoms of the one you re caring for don t match their Sensor glucose readings When symptoms don t match readings do a blood glucose test and treat based on that result No Current Glucose Number When there is no Current Glucose number such as when you receive an error message or a LO or HI re...

Page 23: ...m dehydration If bleeding does not stop after removing sensor TREATMENT DECISIONS To determine how you should use your sensor glucose information to help manage your diabetes To determine and set your target glucose range To understand how insulin works To determine when to do nothing scan again later To determine how to use your blood glucose results To discuss what to do if symptoms don t match ...

Page 24: ... not feel the sensor while it is being worn Can users bathe shower swim or exercise while wearing a sensor Yes The sensor can be worn while bathing showering swimming or exercise The sensor should not be taken below 3 feet of water 1 meter and should not be submerged in water for more than 30 minutes The adhesive is designed to keep the sensor securely and comfortably in place for up to 14 days Ho...

Page 25: ...of the circle sensor unit FreeStyle Libre and related brand marks are owned by Abbott Other trademarks are the property of their respective owners 2020 Abbott ADC 14821 v1 0 09 20 Learn more at FreeStyleLibre us ...

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