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CGM: More than just a number

Continuous glucose monitoring (CGM) is a small wearable device that tracks your glucose throughout the day and night, notifying you of highs and lows so you can 

take action.


CGM helps to minimize the guesswork that comes from making decisions based solely on a number from a blood glucose meter reading, for better diabetes management.* 

If this was your meter reading, what would your next step be?

How would you respond if you saw this instead?

How does Continuous Glucose Monitoring work?

CGM unveils what no meter can. While meters give a number for a single point in time, CGM provides dynamic glucose information by showing where glucose is, where it’s going, and how fast it’s getting there.


 Dexcom’s CGM consists of 3 parts1:


1. Small Sensor that measures glucose levels just underneath the skin.

2. Transmitter that is fastened on top of the sensor and sends data wirelessly to the receiver. 

3. Receiver that displays your glucose trends in vivid colors so you can easily see when it’s high, low or within range.


* A minimum of 2 fingersticks a day is required for calibration. The Dexcom G4 PLATINUM Continuous Glucose Monitoring System may require more.

1 Dexcom G4 PLATINUM Continuous Glucose Monitoring System, User’s Guide