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Questions and Answers
What is the primary advantage of noninvasive glucose meters over traditional glucose meters?
What is the purpose of testing glycosylated hemoglobin (HbA1c) in patients with diabetes mellitus?
Which of the following glucose meters is suitable for patients with visual impairments?
What is the primary difference between minimally invasive glucose meters and noninvasive glucose meters?
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Who can assist with obtaining and testing a sample of blood for blood glucose level?
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What is the primary advantage of using the skin puncture method for blood glucose monitoring?
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What is the purpose of using a reagent strip in blood glucose monitoring?
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What is a limitation of using visually read tests for blood glucose monitoring?
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What is the purpose of cleaning and disinfecting point-of-care blood glucose testing meters?
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What is the primary difference between a wet-wash and dry-wipe method of testing with reflectance meters?
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Study Notes
Blood Glucose Monitoring
- Blood glucose monitoring allows patients with diabetes mellitus to self-manage their disease.
- The procedure of obtaining capillary blood by skin puncture is less painful than venipuncture.
- The development of reagent strips, home glucose monitors, and the skin puncture method has revolutionized home management care of patients with diabetes mellitus.
Methods of Blood Glucose Testing
- Visually read tests (e.g., Chemstrip bG, Glucostix) do not require an expensive machine but require the patient to visually interpret the results.
- Blood glucose reflectance meters are lightweight, run on batteries (e.g., AccuChek III, OneTouch), and provide an accurate measurement of blood glucose level in 5 to 50 seconds.
- Point-of-care (POC) blood glucose testing meters should be dedicated for single-patient use or cleaned and disinfected if not possible.
Characteristics of Blood Glucose Meters
- Meters differ in amount of blood needed for each test, testing speed, overall size, ability to store test results in memory, cost of the meter, and cost of test strips.
- Some larger meters are voice activated, providing support for the older adult or patient with visual impairments.
- The amount of time to complete glucose testing varies from 5 to 50 seconds.
- Some meters can be programmed to monitor glucose levels for a continuous 72 hours.
Advanced Blood Glucose Monitoring Systems
- Minimally invasive glucose meters use a small, fine plastic sensor inserted through the abdomen and provide continuous readings of blood glucose levels.
- Biosensors can be taped on the external abdomen and transmit blood glucose levels to a handheld wireless meter.
- Noninvasive glucose meters use precise laser technology or light beam to puncture the skin, resulting in less damage to tissue.
Testing of Glycosylated Hemoglobin (HbA1c)
- HbA1c evaluates the amount of glucose available in the bloodstream over the 120-day life span of a red blood cell.
- HbA1c provides an accurate long-term index of a patient’s average blood glucose level drawn by venous puncture.
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Description
Learn about blood glucose monitoring, a crucial self-management technique for diabetes patients. This quiz covers the benefits of capillary blood collection via skin puncture, a less painful alternative to venipuncture.
