CGM Systems

Information About Continuous Glucose Monitoring  Systems

Continuous Glucose Monitoring (CGM) stands as a cutting-edge technology primarily utilized by individuals managing diabetes, enabling continuous tracking of blood glucose levels around the clock. The system comprises a compact sensor typically affixed to the skin, measuring glucose levels in the interstitial fluid rather than directly in the bloodstream. This sensor links to a transmitter, wirelessly relaying glucose data to either a receiver or a smartphone application.

How it works

Continuous Glucose Monitoring (CGM) operates by employing a sensor inserted into the skin, typically on the abdomen or upper arm, to constantly measure glucose levels in the interstitial fluid. This fluid, surrounding the body's cells, offers a reflection of blood glucose levels, albeit with a slight delay. The sensor utilizes a minuscule filament that interacts with glucose molecules, generating an electrical current proportionate to the glucose concentration.

The sensor communicates wirelessly with a transmitter, either directly attached or positioned nearby on the body. This transmitter relays the glucose data collected by the sensor in real-time to either a receiver device or a smartphone application.

Users have the flexibility to set personalized alerts, prompting them when glucose levels deviate too high (hyperglycemia) or too low (hypoglycemia). Some CGM systems even provide trend arrows, indicating whether glucose levels are ascending, descending, or remaining stable, thus offering valuable insights into glucose trends and assisting users in making informed decisions regarding insulin dosing, dietary choices, and physical activity.

Ultimately, CGM affords continuous and effortless glucose monitoring, empowering individuals managing diabetes to enhance their condition management and enhance their overall well-being.

CGM Systems Comparison 

Freestyle Libre


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