Results of FreeStyle Libre 3 and Dexcom G7 head-to-head review. I share my experience with these two CGM systems in a comprehensive video. What is continuous glucose monitoring?
Throughout the day and night, blood sugar levels are automatically monitored by continuous glucose monitoring. Your blood glucose level is always readily apparent. Observe how your glucose levels fluctuate over a few hours or days to identify patterns. If you can monitor your glucose levels in real-time, you will be better able to balance your diet, physical activity, and medication throughout the day.
How does a continuous glucose monitor (CGM) work?
A CGM operates through a small sensor that is typically implanted subcutaneously on the abdomen or arm. The sensor measures your interstitial glucose level, or the glucose present in the fluid between your cells. Every few minutes, the glucose is measured by the sensor. The data is transmitted wirelessly from a transmitter to a monitor. As a separate item or as a component of an insulin pump, you may carry the monitor in your pocket or purse. Some CGMs transmit data directly to a tablet or mobile device. The American Diabetes Association’s product guide lists a variety of readily available models.