You can turn on and customize each of these alerts:
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Go to Menu > Settings > Alerts
The Falling Fast alert is similar to the Urgent Low Soon alert:
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Urgent Low Soon alert: Tells you when your glucose is falling so quickly it'll be at
55mg/dL within 20 minutes.
Urgent Low Soon is tied to a specific sensor reading (55mg/dL) and time (20 minutes).
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Falling Fast alert: Also tells you your glucose is falling quickly, but you set the level that
triggers it and it isn't tied to time.
If your glucose is falling fast and is at or below 55 mg/dL, you'll get an Urgent Low alert, not a
Falling Fast alert.
Go to the changing alerts sections of the Alerts chapter for more information.
5 • Alerts | Dexcom G7 Using Your Receiver 55