Can Hand Bracelet Read My Sugar Level
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Continuous glucose monitoring (CGM)
What is a continuous glucose monitor (CGM)?
A continuous glucose monitor is a pocket-sized device that you vesture just under your peel. It measures your glucose (carbohydrate) levels continuously throughout the day and night, letting you see trends in your levels and alerts you to highs and lows. It sends this data to a brandish device using Bluetooth.
The information nerveless well-nigh your blood sugar levels tin can be accessed instantly and shared with your healthcare squad and then that they tin can review and adjust your treatment appropriately. It besides means that the information can be shared easily during virtual appointments with your healthcare team.
A CGM doesn't actually measure your blood glucose levels, it measures the amount of glucose in the fluid that surrounds your body cells – called interstitial fluid. In that location is a modest fourth dimension delay when checking this fluid, especially subsequently eating or if y'all're exercising. So your CGM result isn't always exactly the same every bit your finger-prick result. This means you lot'll still need to practice a finger-prick test if y'all're thinking of changing your treatment at any bespeak, like if you lot need to take more insulin or if you're treating a hypo, so you can get the most accurate result.
In that location are 2 types of CGM:
- Existent time: you can cheque your sugar levels yourself at whatsoever time, as well as being able to download them.
- Retrospective: you lot can't run across your sugar levels in real fourth dimension simply you lot can look back at results by downloading them.
There are a few different types of CGM available.
Read Sarah's experience of using a CGM
How does information technology work?
A CGM has three parts:
- A sensor that sits simply underneath your skin and measures your saccharide levels.
- A transmitter that's attached to the sensor and sends your levels to your display device.
- A brandish device that shows y'all your sugar level. This might be a dissever hand held device (known as "standalone" CGM) or a pump (known as an "integrated organization").
CGM comes with software so you can analyse your results and see patterns in your sugar levels over time.
Yous generally article of clothing a sensor for up to vii days, and later that you need to replace information technology. When yous change your sensor, you reattach the transmitter to your new sensor.
You need to calibrate a CGM by checking your finger-prick blood glucose levels, generally twice a mean solar day.
What'due south the difference betwixt CGM and Flash Glucose Monitoring?
CGM monitors your saccharide levels continuously and sends data to your display device (a hand held monitor or pump). And then you lot can prepare alerts for high, low or rate of change. With flash glucose monitoring information technology's simply when yous scan your sensor that you lot get your reading and trends.
Advantages of using a CGM
- You tin can track your sugar levels all through the solar day and nighttime.
- You can see what your levels are like at times when you don't normally test, eg during the nighttime.
- Y'all can see trends: when your sugar levels are starting to rising or driblet, so you can take action earlier.
- Generally, you don't need to exercise so many finger prick checks.
- It can help improve you lot HbA1c level as yous can tailor your insulin doses more than carefully.
- It can help reduce hypos as you can run across a downward trend before you lot actually go hypo.
- You can ready it to alarm at high and depression levels.
Disadvantages of using a CGM
- Yous can get overloaded with information, which can misfile or worry you.
- You still need to do some finger prick checks.
- You may discover wearing the sensor irritating or cruddy.
- You need to be motivated to use the data it gives y'all to get the all-time diabetes direction.
Using a CGM and driving
If you normally monitor your blood sugar levels, you must check them earlier driving and every ii hours during a long journeying.
Y'all tin can use a continuous glucose monitor to check your carbohydrate levels before you lot bulldoze. These rules recently changed, significant drivers with diabetes now have more than choice in how they check their sugar levels. Read more about driving and diabetes.
How can I get a CGM?
It depends on whether you want to use CGM for a short while or long term. If yous want to wear i for a week or two to help y'all look at your carbohydrate trends, your clinic might well exist able to loan you one for that length of time. Then you can look at the data with your medico or nurse and decide on whether you need to brand any changes to how you wait after your diabetes. Your dispensary might use real time or retrospective CGM. Equally long as your dispensary has a CGM it tin loan out like this you don't need to worry about getting whatever funding, equally the CGM is already owned by your dispensary. But you might have to wait until the CGM is available.
If yous desire long term CGM, it will need to be funded it in some fashion. You tin can get CGM on the NHS, but it'southward not available for everyone. There are strict criteria set out by Dainty around who is eligible (encounter below), and you need to run across this criteria in club to get funding for a CGM.
What NICE say almost CGM for adults:
If you lot have type 1 diabetes and are significant you should be offered real-time continuous glucose monitoring (CGM) free on the NHS.
If y'all are pregnant, on insulin and have type 2 diabetes, gestational diabetes or another type of diabetes, CGM should be considered for you if you lot accept severe hypos (regardless of your awareness) or if you have unstable blood sugar.
A CGM should too be considered for anyone with diabetes who has any of the following:
- more than i severe hypo a twelvemonth with no obvious cause
- complete hypo unawareness
- more than two hypos a calendar week, with no symptoms and which bear upon twenty-four hour period to day life
- an extreme fear of hypos
- an HbA1c level of 75mmols/mol despite testing at least 10 times a day
Y'all'll demand to be prepared to use the CGM at least lxx% of the time. And the CGM should be provided by a centre that are skillful in using it, as part of strategies to improve your HbA1c level and reduce hypos.
What Squeamish say nearly CGM for children:
It should exist offered to children who:
- accept frequent, severe hypos
- have hypo unawareness with serious consequences (eg fits, anxiety)
- can't recognise, or tell somebody about hypo symptoms (eg because of developmental or neurological bug).
It should be considered for children who:
- are under schoolhouse age
- play loftier levels of sport (eg compete at regional or national or international level)
- have other issues that make diabetes management more difficult (eg anorexia or steroid treatment)
- have loftier blood sugar levels despite a lot of support and insulin adjustment.
Tin I purchase a CGM for myself?
Yes you tin can, merely you'll need to speak to your diabetes team first and go their support. You tin can expect to pay effectually £1,000, for a standalone system or about £500 if you already have a pump and want an integrated system that works with that. Sensors volition exist about £60 each.
Given that CGM is very expensive, and you lot'll get the best out of it if you look at the data it gives you with your doc or nurse, and then it's always best to speak to them most how CGM would help you and whether you lot're eligible for it under the Overnice criteria earlier yous leave and buy one for yourself.
Source: https://www.diabetes.org.uk/guide-to-diabetes/managing-your-diabetes/testing/continuous-glucose-monitoring-cgm
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