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Glucose, Two-hour Postprandial

Glucose, Two-hour Postprandial

A blood glucose test measures the amount of a type of sugar, called glucose, in blood. Glucose comes from carbohydrates in food and is the main source of energy for the bA blood glucose test measures the amount of a type of sugar, called glucose, in blood. Glucose comes from carbohydrates in food and is the main source of energy for the body. Normally, blood glucose levels increase slightly after eating. This increase causes pancreas to release insulin so that blood glucose levels do not get too high. Blood glucose levels that remain high over time can damage eyes, kidneys, nerves, and blood vessels. This test measures blood glucose exactly 2 hours after eating.
How to prepare for this test:
• Eat a regular diet that includes carbohydrates daily for three days prior to the test.
• Fast for at least 8 hours but not more than 14 hours the night before the test (make sure you drink water in order not to get dehydrated)
• Take all medications as prescribed by physician but do not take supplements the morning of the blood draw.
What can I expect when I get to the lab?
• A drink containing 75 grams of glucose will be given to you to drink and the blood sample will be drawn 2 hours later.
• You will need to remain at the draw facility and seated throughout the entire test. Please bring a book or other quiet activity to keep self occupied while you are waiting.
ody. Normally, blood glucose levels increase slightly after eating. This increase causes pancreas to release insulin so that blood glucose levels do not get too high. Blood glucose levels that remain high over time can damage eyes, kidneys, nerves, and blood vessels. This test measures blood glucose exactly 2 hours after eating.
How to prepare for this test:
• Eat a regular diet that includes carbohydrates daily for three days prior to the test.
• Fast for at least 8 hours but not more than 14 hours the night before the test (make sure you drink water in order not to get dehydrated)
• Take all medications as prescribed by physician but do not take supplements the morning of the blood draw.
What can I expect when I get to the lab?
• A drink containing 75 grams of glucose will be given to you to drink and the blood sample will be drawn 2 hours later.
• You will need to remain at the draw facility and seated throughout the entire test. Please bring a book or other quiet activity to keep self occupied while you are waiting.