Frequently Asked Questions
What is a continuous glucose monitoring system?
Continuous glucose monitoring (CGM) automatically tracks blood glucose (sugar) levels throughout the day and night. You can see your glucose level anytime at a glance. CGM helps you in viewing your glucose levels over a few hours or days to see trends.
How does Guardian™ connect work?
The Guardian™ Connect system measures interstitial sensor glucose and sends it to the Guardian Connect app approximately every five minutes (about 288 readings a day). All components within the Guardian Connect system communicate on Bluetooth Low Energy (BLE) and/or wireless or cellular data connection. The transmitter communicates with the mobile app via BLE connection.
What is a glucose sensor?
A glucose sensor is a tiny electrode that measures your glucose levels. It is fitted under the skin using a syringe, in your interstitial fluid, where it measures the glucose levels. The glucose sensor is then connected either to a transmitter so that readings can be transmitted to an insulin pump or monitor, or a recorder for downloading to software once removed.
How many calibrations are required with the Guardian™ connect?
You will be required to calibrate at least two times per day and at least every 12 hours. The system may prompt for additional calibrations for accuracy purposes. You may calibrate three to four times at regular intervals throughout the day to improve accuracy.
What do I need to do while wearing the CGM device?
While wearing the CGM device, you should go about your daily routine as you would normally do including eating, exercising and taking medications. The goal of CGM is to understand how your glucose levels respond to food, activity and treatment during your normal routine. This helps your doctor make therapy and other lifestyle adjustments.
Is the transmitter waterproof?
It is waterproof up to 2.5 metres for up to 30 minutes.
How does CGM differ from testing with a blood glucose meter?
CGM systems available today measure glucose in the interstitial fluid, the fluid between your cells just under the skin. Whereas, a blood glucose meter requires that you take a small sample of blood from your fingertip and place it on a test strip that’s inserted inside a meter. The meter provides a glucose value based on the amount of glucose in the blood sample at that moment. Since CGM is measuring glucose in a different part of your body, it will not be the same concentration as in your blood, but very similar.
Does CGMS mean no more finger prick testing?
No. Although use of the CGMS greatly reduces the need to do finger prick tests, the systems still need regular input of blood values for calibration. Failure to do regular calibration checks is dangerous.
Is my Guardianlink transmitter waterproof?
When you’re wearing the GuardianLink® and it’s connected to the sensor, the transmitter is waterproof and fully immersible. However, it is not recommended to immerse it in very hot water e.g., hot tub. You can wear the transmitter to a depth of 8 feet or 2.4 metres for up to 30 minutes.
Where should I wear a glucose sensor?
This can depend on what you’re wearing, your desired comfort level, individual preference or experience. If possible, avoid recent infusion sites. While many people choose the abdominal area, some people prefer the upper buttocks, as this location is less likely to be bumped or affected by clothing at the waistline.
Can I buy a CGM SYSTEM for myself?
Yes you can purchase or rent the CGM system, you need to consult to doctor before purchasing to determine your need for CGM.
How is Guardian™ connect system different from other CGM systems?
Guardian™ Connect CGM is the only Smart CGM system that helps you outsmart both highs and lows. Using smart technology to predict where your glucose levels are headed, the system can alert you from 10 to 60 minutes before a high or low.
How does the Guardian™ connect CGM help with glucose control?
The Guardian™ Connect CGM allows you to track your sensor glucose trends in real-time on your mobile phone. The Guardian™ Connect app will also alert you up to 60 minutes in advance of a high or low, and with the best hypoglycemia detection rate of CGM apps. With this better information, you can take action to help avoid highs and lows.
Do I need to remove the sensor during MRI/CT Scan?
Yes. The sensor should be removed prior to exposing it to strong magnetic or electromagnetic radiation, such as with a MRI (Magnetic Resonance Imaging) or CT (Computed Tomography) scan. The effect of these types of procedures on the performance of the system has not been evaluated.
How will I receive my CGM report?
Glucose information collected by the CGM system is automatically sent to your mobile device. You can visit your doctor with the reports who can help you with report interpretation and further management of your diabetes.
References 1. Continuous Glucose Monitoring Systems - Frequently Asked Questions. https://www.diabetes-scotland.org/ggc/html_pages/cgms_faq.html 2. Continuous Glucose Monitoring. https://www.niddk.nih.gov/health-information/diabetes/overview/managing-diabetes/continuous-glucose-monitoring 3. https://guardianconnect.medtronic-diabetes.co.uk/support
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