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DIABETES MELLITUS-PRE-DIABETES INX

Endocrinology

DIABETES MELLITUS-PRE-DIABETES INX

1. Whole blood glucose values are about 15% less than serum/plasma values.

2. Finger sticks are acceptable for self-monitoring of known diabetics, but only plasma/serum should be used for diagnosis of DM.

3. Normal FPG < 100mg/dL.

4. Impaired fasting glucose (IFG) = FPG 100-125 mg/dL.

5. Impaired glucose tolerance (IGT) = 2-hr plasma glucose of 140-199 mg/dL after a 75-gm oral glucose load (OGTT). This  is more sensitive than FPG.

6. HbA1c = 5.7-6.4% is supportive of pre-diabetes; retest patients with results in this range using the FPG/OGTT.


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REFERENCES

1. Wilkinson, I. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press.
2. Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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