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Management of an Adult With Type 2 Diabetes With Antidiabetic Medications: A Case Scenario

Slide: 5 of 26

Clinical Decision

Does this patient meet the criteria for a diagnosis of type 2 diabetes?

Discussion of Answers:

A.Incorrect. Explanation: By the American Diabetes Association’s criteria, a fasting blood glucose level greater than or equal to 126 mg/dL is diagnostic of diabetes.

B.Correct. Explanation: By the American Diabetes Association’s criteria, a fasting blood glucose level greater than or equal to 126 mg/dL is diagnostic of diabetes.  The patient also has classic symptoms of hyperglycemia. HbA1c levels greater than or equal to 6.5% are diagnostic of diabetes. Although there are no standardized or unequivocal tests to differentiate type 1 from type 2 diabetes, this patient (by his presentation and strong family history) is unlikely to be completely dependent on insulin therapy for survival (the most stringent criterion for type 1 diabetes), hence he is likely to have new-onset type 2 diabetes.