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Benefits
Some benefits of using your Dexcom G7 CGM System are:
Sparing your fingertips
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Knowing your trends
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Making treatment decisions using your Dexcom G7 CGM System
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Managing your diabetes and getting alerted for low and high sensor readings
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Sharing glucose information via app
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No fingersticks
You can use your sensor reading and trend arrow to make treatment decisions. Go to
the Treatment Decisions chapter for more information. With G7, there's no need to
take fingersticks to calibrate the system or for treatment decisions (as long as your
symptoms match your G7 readings). This can reduce the pain and burden of excessive
fingersticks (Price and Walker 2016) and reduce potential errors due to inaccurate
calibration (Wadwa 2018).
Knowing your trends
The Dexcom G7 CGM System not only sends you a sensor reading every 5 minutes but
also provides overviews of your glucose trends and patterns, and reaction to different
activities. This lets you see the overall picture and how your daily habits impact your
glucose levels.
Helping your diabetes management
Alerts notify you when your glucose goes outside your target range, goes too low or
too high, is rapidly falling or rising, or will be low soon. This lets you take action to
prevent glucose from going too low or too high (Pettus 2015) (go to the Alerts chapter).
Sharing with supporters
Some people perceive an increase in their quality of life and peace of mind when
using real-time CGM (Polonsky and Fortmann 2020). Share may improve these for
patients, their caregivers, and their support team because Followers can be notified by
sharing sensor readings and alerts remotely.
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Need help?
Do you have a question about the G7 and is the answer not in the manual?
Questions and answers
Dexcom G7 continues to show readings 50 or 60 points higher than when I stick my finger and use the supplied recorder. Why?
The Dexcom G7 may show readings 50 or 60 points higher than fingerstick measurements due to several reasons:
1. Sensor's First Day: Newly inserted sensors may show larger differences, which usually decrease over the first 24 hours.
2. Pressure on Sensor: If something is pressing on the sensor (e.g., lying on it), it can affect readings. Removing the pressure can help.
3. Rapid Glucose Changes: Blood glucose changes before interstitial fluid glucose, so fast changes can cause differences between meter and sensor readings.
4. Fingerstick Issues: Inaccurate fingerstick readings can occur if hands are not washed properly or test strips are expired or used incorrectly.
These factors can cause temporary differences between Dexcom G7 and fingerstick readings.
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How high does the Dexcom 7 reciever go?