Self-Monitoring of Blood Glucose
Susan Renda, DNP, ANP-BC, Susan M. Porter, CRNP, CDE
- With self-monitoring of blood glucose (SMBG), the patient measures their own blood glucose level using a drop of blood applied to a reagent stick.
- A meter displays or gives an auditory voice result of the blood glucose level at the time it is tested.
- Wide variety of different meters and strips, each with strengths and weaknesses.
- Usually, a small drop of blood is taken from a finger prick, although many meters can use blood from alternate sites such as forearm or other areas on the hand.
- Results are usually stored in meter by date, time and result, and can be downloaded with simple software packages; some meters display their results on an external insulin pump ("smart pumps").
- Some meters also display average results for time periods such as 7, 14, or 30 days.
- Results can also be used to calibrate and confirm continuous glucose monitor readings.
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