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Don't start past the Use By Date: Don't start a sensor past its Use By Date
(YYYY-MM-DD) because it may give incorrect results. You can start a new sensor on or
before its Use By Date. This gives you full wear.
Check package: Don't use your Dexcom G7 CGM System if the applicator and/or
sterile cap has been damaged or opened, because it might cause an infection. Don't
remove cap until ready for insertion.
Where to insert — things to check: The Dexcom G7 CGM System insertion safety
guard is enabled until you press the Dexcom G7 CGM System applicator down against
your skin. Only do this when ready to insert.
Change your insertion site with each sensor to allow the skin to heal.
Avoid areas:
With loose skin or without enough fat to avoid muscles and bones.
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That get bumped, pushed, or you lie on while sleeping.
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Within 8 centimeters of infusion or injection site.
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Near waistband or with irritations, scarring, tattoos, or lots of hair. If needed, trim
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site with clippers.
Going through security check point: You can wear the Dexcom G7 CGM System
sensor for the walk-through metal detector and Advanced Imaging Technology (AIT)
body scanner. If you do, use your BG meter for treatment decisions until you leave the
security area. This is because the Dexcom G7 CGM System hasn't been tested with
every x-ray and security scanner and you may not be able to bring a display device.
You can also ask for hand-wanding or full-body pat-down and visual inspection
instead of going through any walk through body scanners or putting any part of the
Dexcom G7 CGM System in the baggage scanning machine.
Keep your sensor close to display device: Keep your sensor and display device
within 6 meters with no obstacles between them. Otherwise, they might not be able to
communicate.
Use correct components: Dexcom G7 CGM System components aren't compatible
with any previous Dexcom products. Don't mix with different generations.
2 • Safety Information |
Dexcom G7 User Guide
11
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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
changed sensor, it paired but get a message sensor failed start new sensor
The Dexcom G7 sensor may show a failure message after pairing due to issues such as using an outdated sensor version that is not compatible with certain devices, signal loss, or sensor adhesion problems. If pairing with a Tandem hybrid closed-loop system, an older Dexcom T7 version may cause an error message like "sensor not started 43t." Checking the sensor's LBL number and ensuring compatibility can help resolve the issue. If the problem persists, contacting Dexcom for a replacement may be necessary.
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How long after eating does readings reach the sensor?
The Dexcom G7 sensor measures glucose in interstitial fluid, not blood, and glucose levels in interstitial fluid can lag behind blood glucose levels, especially when glucose is changing rapidly. This means that after eating, the sensor reading may take some time to reflect actual blood glucose changes. The exact time can vary, but differences are more noticeable when glucose levels are rising or falling quickly.
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Wait time between showing & inserting new G7 sensor
The Dexcom G7 sensor has a 12-hour grace period at the end of its session, allowing time to replace the sensor. After inserting a new sensor, there is a sensor warm-up period before readings and alerts begin.
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Power off is where
The power off button on the Dexcom G7 receiver is the right button with a circle on it, also known as the Select button.
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How to change zone settings in G7 on Android phone app?