OGTT
Also written as: OGTT — Oral Glucose Tolerance Test
Oral glucose tolerance test used to evaluate insulin resistance and glucose metabolism, often included in hormonal assessments.
Full Definition
The oral glucose tolerance test involves administering a standardized glucose solution and measuring blood glucose levels at specified intervals, typically at baseline and two hours post-ingestion. In hormone testing contexts, OGTT is frequently used to assess insulin resistance in patients with PCOS, evaluate growth hormone responses, or diagnose gestational diabetes. The test provides dynamic information about glucose metabolism that static glucose measurements cannot capture. Clinical editors should note that OGTT protocols may vary and require specific patient preparation including fasting periods.
Usage
Usage note: Specify the glucose dose (75g vs. 100g) when editing clinical documents.
In Context
- "The 75-gram OGTT revealed impaired glucose tolerance at the 2-hour mark." — Endocrine consultation note
- "OGTT results should be interpreted in conjunction with fasting insulin levels." — Laboratory interpretation guide