![]() The battery-type for receivers depends on the model and vary from a replaceable (non-rechargeable) AA Lithium battery, to a custom rechargeable (not replaceable) battery. Integrated into the display of the current pumpsįor the data to be transmitted in real-time the receiver must stay within range of the transmitter. The receiver could be:Īn electronic device (smartphone or tablet) that contains the relevant software The receiver “receives” the data from the transmitter and displays it in on different user interfaces. Different manufacturers and models have different transmitter warranty periods. Transmitter batteries may be rechargeable and others are non-rechargeable and need to be replaced. The transmitter clips into the sensor housing it takes the glucose reading obtained by the sensor and sends it out (via wireless signal) to a separate receiver. Sensors are disposable, when they reach the end of their approved life span they are removed and thrown out. Once in place, the sensor is the part of the system that measures (“senses”) glucose levels, taking a glucose reading every 5 minutes. The sensor is then held in place by an adhesive patch, in much the same way that an insulin pump infusion set is held to the skin. It is inserted using an automatic insertion device, including an introducer needle (which is removed after insertion, leaving the sensor behind). View or download the comparison table shown below via this linkĬomponents of Continuous Glucose Monitoring Systems The SensorĪ sensor is a thin, flexible wire (electrode, or filament) that sits just under the skin. This comparison table of the features of the most current systems available (or going to be released) in New Zealand and is designed to help you find the technology that best meets your individual needs and preferences. ![]() Side by side comparisons of Glucose Monitoring Systems CGM/FGM is a useful tool to track glucose levels, which direction it’s going and how fast. In short, finger prick blood glucose checking provides you with a glucose level for a single point in time. This gives you information about what’s happening between finger prick checks. There are, however, a few important differences between Continuous or Flash Glucose Monitoring Systems and finger prick checks:įinger prick checks involve piercing the skin (e.g., the finger or toe) each time you check a blood glucoseĬGM/FGM involves inserting a sensor under the skin which stays in place for several daysįinger prick readings measure glucose in a drop of bloodĬGM/FGM measures glucose in the interstitial fluid just underneath the skin, the fluid that surrounds the cells (this result may lag 2 – 20 minutes behind blood glucose levels)įinger prick glucose monitoring is like a snapshot it captures a moment in timeĬGM/FGM is like a movie gives you a series of readings in real-time, as it repeatedly measures and reports glucose levels (the equivalent of performing 288 finger pricks each day). A sensor is placed just under the skin surface and measures the glucose in the interstitial fluid – the fluid surrounding the cells. They perform a similar function as a “finger prick” blood glucose meter (that is, it gives you information about glucose levels). CGM and FGM in children and youth may be useful if your child is not able to communicate or recognise symptoms of hypoglycaemia. They are used most often by individuals who have type 1 diabetes. The Paediatric Society of New Zealand Clinical Network for Children and Young People’s Diabetes Services recognise this need and have put together this resource to explain how glucose monitoring systems work, the advantages and disadvantages, as well as providing a comparison of the systems available in New Zealand as at May 2019.Ī Continuous Glucose Monitor (CGM) and a Flash Glucose Monitor (FGM) are medical devices for measuring glucose levels. Many people are using them or have questions about them. ![]() Over the last few years there has been a rapid uptake and interest in glucose monitoring systems in New Zealand.
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