Another patient with FBS 5.1, RBS 6.2, 2h OGTT 7.5. What is this?

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Multiple Choice

Another patient with FBS 5.1, RBS 6.2, 2h OGTT 7.5. What is this?

Key idea: use standard glucose thresholds to judge fasting, random, and post-load values. Here, all three tests sit in the normal range, so there’s no evidence of diabetes or prediabetes. Fasting glucose of 5.1 mmol/L is within the normal fasting range (normal is typically below about 5.6 mmol/L). Random glucose of 6.2 mmol/L corresponds to roughly 111 mg/dL, which is well below the diabetes threshold and not enough on its own to signal diabetes. The 2-hour glucose after a 75 g oral load is 7.5 mmol/L, about 135 mg/dL; this is under the impaired glucose tolerance cutoff of 7.8 mmol/L (140 mg/dL). Since none of the values reach the thresholds for diabetes or impaired glucose tolerance, the overall interpretation is normal, not diabetes-related.

Key idea: use standard glucose thresholds to judge fasting, random, and post-load values. Here, all three tests sit in the normal range, so there’s no evidence of diabetes or prediabetes.

Fasting glucose of 5.1 mmol/L is within the normal fasting range (normal is typically below about 5.6 mmol/L). Random glucose of 6.2 mmol/L corresponds to roughly 111 mg/dL, which is well below the diabetes threshold and not enough on its own to signal diabetes. The 2-hour glucose after a 75 g oral load is 7.5 mmol/L, about 135 mg/dL; this is under the impaired glucose tolerance cutoff of 7.8 mmol/L (140 mg/dL). Since none of the values reach the thresholds for diabetes or impaired glucose tolerance, the overall interpretation is normal, not diabetes-related.

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