08.21.2023 - By Jon Haws RN: Critical Care Nurse & NCLEX Educator
Normal 5.6-7.5 % of total Hgb Indications Assess control of blood sugars over a several month time frame Diagnose Diabetes Mellitus (DM) Description Glycosylated Hemoglobin (HbA1c) is the combination of glucose and hemoglobin. When glucose is elevated in the blood the amount of glycosylated hemoglobin increases proportionally. A red blood cells lifespan is about 4 months, so you can get an idea of blood sugar control over the last several months. What would cause increased levels? Poorly controlled Diabetes Mellitus(DM) Non-Diabetic Hyperglycemia: Stress Cushing Syndrome Pheochromocytoma Corticosteroid Therapy What would cause decreased levels? Renal failure Blood loss Hemolytic anemia Sickle cell anemia