The intravenous glucose tolerance test (IVGTT) was devised to eliminate some of the objections to the OGTT. Standard procedure for the IVGTT is as follows: The patient has a 3-day high-carbohydrate preparatory diet. After the FBG level is measured, a standard solution of 50% glucose is injected intravenously over a 3- to 4-minute period 0.33 […]