User`s guide

Dexcom G4 User’s Guide | 151
Re-alert A re-alert occurs when the initial alert has not been conrmed.
Receiver The small device which collects your glucose information from
the sensor/transmitter. Your results are displayed on the receiver
screen as a sensor glucose reading (mmol/L) and as a trend.
Rise and Fall
(Rate of Change)
Alerts
Alerts based on how fast your glucose levels rise/fall, and by
how much.
RF Radio-frequency transmission used to send glucose information
from the transmitter to the receiver.
Safety Lock The safety lock keeps the needle inside the applicator before
you are ready to insert the sensor. It also helps you snap the
transmitter out of the sensor pod after your sensor session has
ended.
Sensor The part of the sensor that is inserted under your skin with the
applicator. It measures the glucose levels in your surrounding
tissue uid.
Sensor Pod The small plastic base of the Sensor attached to your belly that
holds the transmitter in place.
Snoozing A snooze time (every 15 minutes up to 5 hours) can be set in
between high and low glucose re-alerts.
Startup Period The 2-hour “startup” period after you tell the receiver you
have inserted a new sensor (sensor glucose readings are not
provided during this time).
System Reading A sensor glucose reading shown on your receiver. This reading
is given in mmol/L units and is updated every 5 minutes.
Transmitter The Dexcom G4 System component that snaps into the sensor
pod and wirelessly sends glucose information to your receiver.
Transmitter ID Transmitter ID that is entered into your receiver to enable it to
communicate with the transmitter.
Transmitter Latch The small disposable component that snaps the transmitter
into the sensor pod. It is removed after the transmitter is
snapped in.
Trend (Rate of
Change) Arrows
Arrows on trend graphs that indicate if and how fast your
glucose levels are changing. There are 7 different arrows that
show when your glucose speed and direction change.
GLOSSARY (continued)