Final answer:
Continuous glucose monitoring (CGM) is the method by which glucose levels are tracked 24/7 via a tiny sensor. These devices provide real-time data and alerts, which are significant improvements over early methods like test strips. CGMs contribute to more effective diabetes management by maintaining target glucose levels.
Step-by-step explanation:
Continuous Glucose Monitoring
The method of tracking glucose levels 24 hours a day through a tiny sensor is known as continuous glucose monitoring (CGM). These devices typically include a small sensor that is inserted under the skin to measure glucose levels in the interstitial fluid. An attached transmitter sends the data to a receiver or a smart device, allowing the user to monitor their glucose levels in real time, throughout the day and night. CGM systems can alert users if their glucose levels are too high or low, assisting in the proactive management of diabetes.
These monitoring systems have evolved significantly since the early glucose tests that required a doctor or lab. Helen Free made one of the first major advancements with the development of the glucose test strip, a technology that has been widely used for decades. Modern electronic gadgets for glucose level estimation use either reflectance photometers or amperometric systems to measure glucose concentrations after a drop of blood is applied to a reagent strip.
Additionally, blood glucose monitors have made it possible for individuals with diabetes to manage their condition more effectively by providing instant feedback, enabling them to maintain glucose levels within a target range and avoid complications associated with hyperglycemia and hypoglycemia.