Blood glucose analyzer is a way of testing the concentration of glucose in the blood (glycemia). Particularly important in the care of diabetes mellitus, a blood glucose test is performed by piercing the skin (typically, on the finger tip) to draw blood, then placing the blood on a chemically active disposable strip which indicates the result either by changing color, or changing an electrical characteristic, the latter being measured by an electronic meter.
Most people with Type 2 diabetes test at least once per day (usually before breakfast) to assess the effectiveness of their diet, exercise, and medication. Diabetics who use insulin (all Type 1 diabetes and many Type 2s) usually test their blood sugar more often (3 to 10 times per day), both to assess the effectiveness of their prior insulin dose and to help determine their next insulin dose.
Improved technology for measuring blood glucose is rapidly changing the standards of care for all diabetic people. There are several methods of blood glucose testing currently available.
Visual test strips are a medium cost method for monitoring blood glucose. A drop of blood (≈20µl), usually taken from the fingertip, is placed on a test zone which is located at one end of a strip of plastic. The test zone contains chemicals which react with the sugar (glucose) in the blood, changing color according the concentration of glucose, which can then be read by comparing the color with a chart on the side of the test strip container.
These strips are suitable for people who are occasionally monitoring their blood glucose level (prediabetic or type 2) and are not using insulin. They are also useful for people who can't afford test strips that are used in electronic meters, and for people who dislike electronic meters or who need a back up for their meter.
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