Diabetes: Type 2: Continuous Glucose Monitor

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How Does a Continuous Blood Glucose Monitor Work?

 

Continuous blood glucose monitors typically have three components. The first component is a sensor, which is in part a needle that penetrates a small portion of the skin. The sensor attaches to the second component, a transmitter, which sits on the surface of the skin. The third component is the receiver, which displays information provided from the transmitter and sensor.  Some versions of continuous glucose monitors also have an insulin pump integrated into them, allowing for a “feedback” loop where insulin can be automatically delivered based on the estimate generated by the continuous blood glucose monitor.

 

The benefit of the continuous blood glucose monitor is that the user can receive real-time information regarding blood glucose levels without having to perform multiple sticks. Because the sensor of the continuous blood glucose monitor is reading interstitial fluid, however users still need to check the accuracy by checking their blood sugar (glucose) levels with a standard monitor from time-to-time.

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