GLYCOHEMOGLOBIN A Meaning and
Definition
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Glycohemoglobin A, also known as hemoglobin A1c (HbA1c), is a lab test used to measure the average levels of blood glucose (sugar) over a period of time. It is specifically a form of hemoglobin that has bonded with glucose molecules in the bloodstream.
Hemoglobin is a protein found in red blood cells that helps carry oxygen to various parts of the body. When glucose enters the bloodstream, it attaches itself to hemoglobin molecules. The more glucose present in the blood, the higher the percentage of glycohemoglobin A. By measuring the HbA1c levels, healthcare professionals diagnose and monitor the management of diabetes mellitus.
The test is typically performed by drawing a blood sample and sending it to a laboratory for analysis. The results are expressed as a percentage, indicating the average blood glucose level over the past two to three months. This is because the lifespan of a red blood cell is approximately 120 days, so HbA1c provides a longer-term view of blood glucose control compared to other tests.
The American Diabetes Association (ADA) sets target HbA1c levels based on individual circumstances, with a goal for most individuals with diabetes to keep their HbA1c levels below 7%. Regular monitoring of HbA1c levels helps individuals with diabetes and their healthcare providers assess the effectiveness of medications, dietary changes, and lifestyle modifications in managing blood glucose levels and preventing complications associated with diabetes.
Common Misspellings for GLYCOHEMOGLOBIN A
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Etymology of GLYCOHEMOGLOBIN A
The word "Glycohemoglobin A" consists of two main parts: "glyco-" and "hemoglobin A".
- "Glyco-" comes from the Greek word "glykys", meaning sweet or sugar.
- "Hemoglobin" is a compound word from Greek, where "hemo-" refers to blood, and "-globin" refers to a protein.
- "A" refers to a specific variant or subtype of hemoglobin.
Therefore, "Glycohemoglobin A" can be understood as the variant of hemoglobin that has sugar attached to it.
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