Glucose Tolerance Test (GTT)
explanation of the, including its purpose, procedure, interpretation, and considerations. Purpose The Glucose Tolerance Test is primarily used to: - Diagnose Diabetes: Identify if an individual has type 2 diabetes or prediabetes. - Evaluate Insulin Sensitivity: Assess how effectively your body utilizes insulin. - Monitor Gestational Diabetes: Screen pregnant women for glucose intolerance. Types of GTT 1. Oral Glucose Tolerance Test (OGTT)**: The most common form, where glucose is consumed orally. 2. Intravenous Glucose Tolerance Test (IVGTT)**: Less common, glucose is administered via IV. Preparation - Fasting: You will usually need to fast for at least 8 hours before the test (water is allowed). - Dietary Restrictions: You might be advised to eat a balanced diet for several days leading up to the test. Procedure 1. Initial Blood Sample - A healthcare professional will take a blood sample to measure your fasting blood glucose level. ...