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An introduction to Continuous Glucose Monitoring

Continuous Glucose Monitoring (CGM) is a system that measures glucose levels continuously in order to monitor levels and allows the user to detect potential patterns throughout the day and night.

Unlike fingerprick tests, which provide a measurement for a single point in time, CGM provides dynamic glucose information by depicting trends and suggesting where one’s glucose levels may be heading. By using CGM, one could notice and respond to falling glucose levels before hypoglycaemia or monitor patterns while asleep. Studies show that CGM use provides significant improvement of HbA1c1 levels and in lowering the risk of hypoglycaemia.1,2 

 

About Dexcom CGM :

Dexcom CGM systems are inserted and worn on the skin. A small wire sensor is inserted under the skin with the aid of an insertion device. The sensor continuously reads glucose levels in the tissue. It is held in place with adhesive, so it remains in place for 10 days of wear.

The transmitter clips into the plastic sensor pod which is attached to the sensor. This transmits the glucose readings via Bluetooth to a compatible smart device, which displays a dynamic trend line, updated every 5 minutes.

In the case of the Dexcom G6 CGM system, this receiver can be a compatible smart device* so that there is freedom to view the glucose levels quickly and conveniently. No fingerpricks needed for calibration, treatment decisions, or insulin dosing**

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In addition, Dexcom G6 has a ‘Share’ feature, allowing up to 5 accounts to receive data and alerts. This offers peace of mind for parents or loved ones who are then able to monitor the user’s glucose levels from anywhere.

NZMS Diabetes distributes both Dexcom G6 and Dexcom G5 Mobile systems.

* To view a list of compatible smart devices, see here.
**If your glucose alerts and readings from the G6 do not match symptoms or expectations, use a blood glucose meter to make diabetes treatment decisions.
**When the sensor code is entered.
Always read the label and use only as directed. Your doctor will advise you whether this product is suitable for you.
References
1. Šoupal J, Petruželková L, Flekač M et al. Comparison of Different Treatment Modalities for Type 1 Diabetes, Including Sensor-Augmented Insulin Regimens, in 52 Weeks of Follow-Up: A COMISAIR Study. Diabetes Technol Ther. 2016;18(9):532-538. doi:10.1089/dia.2016.0171 2. Welsh J, Gao P, Derdzinski M et al. Accuracy, Utilization, and Effectiveness Comparisons of Different Continuous Glucose Monitoring Systems. Diabetes Technol Ther. 2019;21(3):128-132. doi:10.1089/dia.2018.0374
iDexcom, Dexcom G6, Dexcom Share, and Dexcom CLARITY, are registered trademarks of Dexcom, Inc. in the United States and/or other countries

An introduction to Continuous Glucose Monitoring

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