What Is Continuous Glucose Monitoring and How Does It Work?
Continuous Glucose Monitoring systems reduce the number of finger stick tests required to control Type 1 and Type 2 diabetes. Glucose levels are monitored 24 hours a day by a sensor placed just beneath the skin. Results are sent to a wearable gadget or a cell phone through a transmitter.
To understand how a Continuous
Glucose Monitoring system works, you must
first learn about the sensor, transmitter, and receiver, which are the three
essential components.
Continuous Glucose Monitoring Market |
Sensor: The sensor is a
very tiny wire or filament that is put under your skin with the help of a
needle. Depending on the manufacturer's recommendations, a sensor is usually
placed on your belly, back of your arm, or other body parts. A sticky backing,
similar to that of a band aid, normally adheres the sensor to your skin in
order to keep it in place. The sensor's role is to detect glucose in the
interstitial fluid, which is the fluid between the cells, using enzymes similar
to those found in a glucose test strip. Sensors can be left in place for
several days, however this depends on the manufacturer's specifications. When
it's time to replace the sensor, the receiver or app that works with the system
will usually notify you.
Transmitter: Between the
sensor and the receiver, the transmitter serves as a go-between. It is attached
to the top of the sensor's insertion region. It can then wirelessly transmit
information to the receiver through radio waves. Some transmitters can be
recharged, while others do not need to be recharged and must be changed every
few months.
Receiver/Monitor: The
receiver's/job monitor's is to receive and display information from the sensor.
It contains a screen that displays your current glucose levels as well as
previous readings. The receiver can also send you alerts if your glucose levels
are too high or low, provide you status messages, and show you trend data to
help you understand how much your glucose level is rising or falling over time.
Some current Continuous
Glucose Monitoring have Bluetooth capabilities,
allowing them to transfer readings to a smart device such as your smartphone or
tablet. Graphing, trends, and the ability to share glucose data with family or
caretakers are among the extra features available in CGM-compatible apps.
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