Traditional blood glucose monitoring gives the user glucose readings at specified times. Users are not provided with information about how their glucose levels have changed, nor how their glucose levels are moving. Without such information, significant glucose fluctuations - the highs and lows - can be easily missed. A continuous of flash (CGM or FGM) system is a new way of taking glucose readings. The user can obtain a current glucose reading by scanning only with the reader above the sensor. In addition, it provides a complete picture of variations in the glucose concentration.
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