The Glycosylated Hemoglobin (HbA1c) test measures the average blood sugar (glucose) levels over the past 2 to 3 months. It evaluates the amount of glucose bound to hemoglobin in red blood cells, providing a long-term view of blood sugar control.
Purpose of the Test:
•Diagnose diabetes: Used to confirm Type 1, Type 2, or prediabetes.
•Monitor diabetes management: Assesses how well blood sugar levels have been controlled over time.
•Evaluate treatment effectiveness: Tracks the impact of medications, diet, or lifestyle changes in managing diabetes.
Conditions Indicated by Abnormal Levels:
High HbA1c Levels:
•Poorly controlled diabetes.
•Increased risk of diabetic complications (e.g., neuropathy, nephropathy).
Low HbA1c Levels:
•Rare but may indicate hypoglycemia, anemia, or certain blood disorders.
Key Notes:
•The test does not require fasting and provides a more stable assessment than daily glucose tests.
•HbA1c levels may be influenced by factors like anemia, kidney disease, or recent blood transfusions.
•Recommended for regular monitoring in diabetic patients every 3–6 months.
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