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Blood glucose monitoring is the use of a glucose meter for testing the concentration of glucose in the blood ().Particularly important in diabetes management, a blood glucose test is typically performed by piercing the skin (typically, via fingerstick) to draw blood, then applying the blood to a chemically active disposable 'test-strip'.
The disadvantage of this method was that the test strip had to be developed after a precise interval (the blood had to be washed away), and the meter needed to be calibrated frequently. Most glucometers today use an electrochemical method. Test strips contain a capillary that sucks up a reproducible amount of blood.
Fasting prior to glucose testing may be required with some test types. Fasting blood sugar test, for example, requires 10–16 hour-long period of not eating before the test. [1] Blood sugar levels can be affected by some drugs and prior to some glucose tests these medications should be temporarily given up or their dosages should be decreased.
The test works by taking a small blood sample of blood using a lancet (a sterile pointed needle) to prick a finger (Image 1). The blood droplet is usually collected at the bottom of a test strip, while the other end is inserted in the glucose meter. [6] The drop of blood is drawn into the meter and can directly measure the glucose in the sample.
It is the foundation product for LifeScan's OneTouch Ultra family of blood glucose monitoring systems. OneTouch Ultra blood glucose meters provide blood glucose test results in five seconds. The device offers alternative test site options, as well as various memory and flagging features. The results are displayed as plasma values.
SugarBeat, built by Nemaura Medical, is a wireless non-invasive blood glucose monitoring system using a disposable skin patch. The patch connects to a rechargeable transmitter which detects blood sugar and transfers the data to a mobile app every five minutes. The patch can be used for 24 hours.