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Glucose Tolerance Test 2 hourAka: Two hour Glucose Tolerance Test

Indications (rarely indicated)
1. Diagnosis of Diabetes Mellitus
  1. Replaced by fasting Serum Glucose >126 mg/dl
  2. May be useful in Insulin Resistance
Protocol
1. Administer 75 grams Glucola drink
2. Measure Serum Glucose over 2 hour period
Interpretation
1. Positive if 2 values exceed 200 mg/dl
2. Elevated values must include 2 hour glucose

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This page was written by Scott Moses, MD. This page was last revised before 5/10/08, prior to consistent tracking of revision date. This page was last published on 5/16/2008. Please send comments and questions to the editor. Contact information may be found on the page About the Family Practice Notebook. These pages are best viewed with Microsoft Internet Explorer 6.0.