The reasons for the inaccuracy of the blood glucose meter
1. The operation method is inaccurate
The operation method of each brand of blood glucose meter They are all the same. Diabetics must read the instruction manual carefully before the test to use the blood glucose meter correctly. Improper operation will lead to inaccurate test values or failure of the test.
2. The code was not adjusted to the same value
Before the test, carefully check the code displayed on the screen of the blood glucose meter and the code on the test strip box Whether it is consistent, if not, it must be re-commissioned. Note: The coding of each box of test strips is different, so each time a new box of test strips is used, the coding must be debugged first.
3. Improper storage of test strips
Many detection errors are caused by the deterioration of test strips. The principle of some blood glucose meters to test blood sugar is that the enzymes on the blood glucose test strips chemically react with the glucose in the blood, and a current is formed on the electrodes, and the blood glucose meter calculates the current blood sugar value by detecting the current. The probability of failure of the blood glucose meter itself is relatively small, but the test strip will be affected by the temperature, humidity, chemical substances, etc. of the test environment, so the preservation of the test strip is very important. The test strip should be stored in a closed box in a dry, cool and dark place to avoid getting wet. For the detailed preservation method of the test strip, please click here.
How to calibrate the blood glucose meter
The blood glucose meter calibration is divided into the following steps: First, insert the blood glucose test strip. After inserting the blood glucose test strip for the second time, the blood glucose meter will display the barcode. Compare the barcode with the barcode on the blood glucose test strip box. If the two barcodes are the same, there is no need to adjust. Barcode a number. The third randomly selects a finger, disinfects it with alcohol, pricks the finger, removes the first drop of blood, collects the second drop of blood, and reads the blood sugar value. Generally, the blood glucose meter needs to be calibrated when the test strip is changed again.
When should the blood glucose meter be calibrated
1. When using the newly purchased blood glucose meter for the first time.
2. Each time you use a new bottle of test strips.
3. When there is a problem with the blood glucose meter and test strips.
4. When the test result fails to reflect the patient’s physical condition, for example, the patient feels hypoglycemia, but the measured blood sugar result is high.
5. After the blood glucose meter was dropped.
How to ensure the accurate measurement of the blood glucose meter
1. The blood glucose meter, test strips and CDs should be stored in a cool and dry place, not refrigerated. There should be no blood stains, dust and other pollutants in the test area of the blood glucose meter. It is advisable to gently wipe the blood glucose meter with a soft cloth dipped in water. Do not use detergents or organic solvents such as alcohol to clean the blood glucose meter. Furthermore, excessive stress affects blood sugar levels. If you are too nervous when measuring blood sugar, it will increase adrenaline and make blood sugar suddenly rise. Not suitable for accurate blood sugar measurement.
2. It is best to check the blood glucose meter every six months. The accuracy of the blood glucose meter can also be judged by comparing the results of the hospital blood test with the self-test results.
