Collect 2 hr sample at 2hrs post Glucose Drink If patient vomits or is 15 minutes late, the test is  cancelled and no 2hr blood sample is collected. 

The glucose tolerance test is a lab test to check how your body moves sugar from the blood into tissues  like muscle and fat. The test is often used to diagnose diabetes. 

Electrolytes are Essential Minerals like Sodium, Calcium and Potassium that are vital to many Key  Functions of the body. 

Significant electrolytes include sodium, potassium, chloride, magnesium, calcium, phosphate, and  bicarbonates. Electrolytes come from our food and fluids. These electrolytes can be imbalanced, leading  to high or low levels.