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Continuous Glucose Monitoring (CGM) epitomizes a sophisticated technology predominantly adopted by individuals managing diabetes to continuously oversee their blood glucose levels, 24/7. It features a small sensor, typically worn on the skin, which measures glucose levels in the interstitial fluid rather than directly in the bloodstream. This sensor is linked to a transmitter, facilitating wireless transmission of the glucose data to either a receiver or a smartphone application.
How it works
Continuous Glucose Monitoring (CGM) operates through the insertion of a sensor into the skin, typically on the abdomen or upper arm, to continuously measure glucose levels in the interstitial fluid. This fluid, encircling the body's cells, serves as a proxy for blood glucose levels, albeit with a slight lag. Embedded within the sensor is a tiny filament that interacts with glucose molecules, generating an electrical current proportional to the glucose concentration.
A transmitter, either directly attached to the sensor or positioned nearby on the body, establishes a wireless connection with the sensor, transmitting glucose data in real-time to either a receiver device or a smartphone application.
Users can tailor alerts to notify them of deviations in glucose levels, such as hyperglycemia or hypoglycemia. Some CGM systems offer trend arrows, indicating the trajectory of glucose levels—whether they're ascending, descending, or stable—thereby furnishing valuable insights into glucose trends and assisting users in making informed decisions regarding insulin dosage, dietary selections, and physical activity.
Ultimately, CGM furnishes continuous and unobtrusive glucose monitoring, empowering individuals managing diabetes to refine their condition management and enrich their overall quality of life.
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