Glucose Tolerance Test

Glucose tolerance test is the general name for methods for diagnosing diabetes mellitus, which consists of determining the concentration of glucose in the blood after its introduction into the body; Depending on the method of glucose administration, intravenous and oral tests are distinguished.

An intravenous glucose tolerance test (IGTT) involves injecting a glucose solution intravenously and then measuring its concentration in the blood at regular intervals.

In an oral glucose tolerance test (OGTT), the patient drinks a glucose solution, and then blood sugar levels are also measured.

These tests assess the body's ability to regulate blood glucose levels. Elevated readings after the test may indicate impaired carbohydrate metabolism and diabetes mellitus.

A glucose tolerance test is a diagnostic method used to determine whether a person has diabetes mellitus (DM) or impaired carbohydrate tolerance (ICT). It allows you to evaluate the level of glucose in the blood after a person eats a piece of sugar or is given intravenous glucose. This test is the gold standard for diagnosing diabetes because