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How Does A Continuous Blood Glucose Monitor Work?

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Continuous Glucose Monitoring

With Continuous Glucose Monitoring (CGM), you get a more complete picture of your glucose levels, which can lead to better treatment decisions and better glucose control. Without diabetes, your body tracks glucose levels all day and night to ensure the right amount of insulin is released at the right time. To successfully manage diabetes, a monitoring system is needed to consistently check your glucose levels. The most common glucose monitoring solutions are blood glucose meters and continuous glucose monitoring (CGM) systems. Sensor overtape not shown in depiction How Does CGM Work? CGM is a way to measure glucose levels in real-time throughout the day and night. A tiny electrode called a glucose sensor is inserted under the skin to measure glucose levels in tissue fluid. It is connected to a transmitter that sends the information via wireless radio frequency to a monitoring and display device. The device can detect and notify you if your glucose is reaching a high or low limit. The latest Medtronic CGM systems can actually alert you before you reach your glucose limits. CGM systems usually consist of a glucose sensor, a transmitter, and a small external monitor to view your gluco Continue reading >>

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Popular Questions

  1. kaazoom

    I recently had my HbA1c test and it has gone up from 6% to 9% my doctor has now doubled my metformin and said it wasn't too bad, just a little blip. I am wondering if he is correct as it sounds like a big jump to me. Is a HbA1c of 9% that high?

  2. pav

    I would say that's bad as it puts you up towards the amber section of the HbA1c levels as can be seen on this link just enter your values in the converter http://www.diabetes.co.uk/hba1c-units-converter.html
    A few months ago I had 7.5 % HbA1c results and my BS levels when I tested myself were in the teens to the 20.s. Do you have a meter to test yourself, if not I would ring one of the meter companies like Bayer, Abbott Medisense, Life Scan, or Accu Chek etc as they will more than likely send you one free.
    These meters generally come with 10 strips to start you off, then approach your gp to get test strips, but this can be a post code lottery as if they will provide strips on prescription. You have a good reason to ask for strips as you need to find outs what food etc is causing the highs.

  3. Daibell

    Hi. An Hba1ic of 9.0% isn't good and I can't understand why the GP said it's a blip. By definition the HBa1c is a 3 month average; hardly a blip. That HBa1C level needs action as NICE Pathways give 7.5% as the level to stay below and the Metformin increase will have little effect. Are you on a low-carb diet? If not then adjust your diet to have, say, a max of 150gm/day of carbs. How old are you and what has the HBa1C trend been since diagnosis. If you are not overweight and quite young then let us know as your diabetes type diagnosis may need to be reviewed.

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