How it works
Dexcom's CGM systems use a small sensor that is inserted under the skin using a needle. The sensor is connected to a small chip that measures glucose levels in the interstitial fluid, which is the fluid that surrounds the cells in the body. The sensor sends the glucose data to a receiver, which can be a mobile app, a wristwatch, or a separate receiver.
The sensor measures glucose levels every few minutes, and the data is sent to the receiver in real-time. The receiver can be programmed to send alerts and notifications when the glucose levels are outside a target range, allowing users to take action to manage their glucose levels.