The nurse is evaluating laboratory data on a 70-year-old male. Which of the following values is cause for concern and follow-up?
a. LDL = 90 mg/dL c. Albumin = 4.5 g/dL
b. Hemoglobin = 14.5 g/dL d. HbA1c = 8.0%
D
An LDL < 100 mg/dL is optimal; therefore, 90 is excellent and no cause for concern. Hemoglobin is the iron component of the blood that transports oxygen. Normal hemoglobin for a male in the age range of 65 to 74 years is 13.0 g/dL to 17.0 g/dL. His hemoglobin is within the expected range. Albumin is an indicator of visceral protein status and normal range is 3.5 g/dL to 5.0 g/dL. Thus, his albumin of 4.5 g/dL is normal. Glycosylated hemoglobin (HbA1c) represents the amount of glucose that is permanently bound to hemoglobin. It is a long-term measure of blood sugar control; it reflects the average serum glucose over a 2 to 3 month period. Normal is 4.0% to 6.0%. A value greater than 6.0% is found in diabetic patients. The higher the value, the more uncontrolled the diabetes. Thus his value of 8.0% is abnormal and is a cause for concern and follow-up.
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