How does at-home blood glucose monitoring differ from the lab tests run at the doctors office?
• As we have mentioned, blood glucose monitors measure your blood glucose levels in two ways. One, by reacting with glucose in your blood and changing color, and the other by running a current through your sample in order to determine the amount of glucose in the sample. • The tests run by your doctor through a clinical laboratory also measure the amount of glucose in your blood. However, the means by which they detect and measure glucose presence is much more sophisticated. • Tests run in labs use spectrophotometry combined with automated equipment. • What is spectrophotometry? It is a process by which a light of a known wavelength is shined through a solution. A certain amount of light will be absorbed by the glucose in the sample. This will give a quantitative measure of the amount of glucose in the solution by measuring the amount of light absorbed.Pre-Test Precautions • Always read the directions provided by the manufacturer. • Make sure your batteries are not low. • Frequently ca
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