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A postprandial glucose (PPG) test is a blood glucose test that determines the amount of glucose in the plasma after a meal. [1] The diagnosis is typically restricted to postprandial hyperglycemia due to lack of strong evidence of co-relation with a diagnosis of diabetes.
Reactive hypoglycemia, postprandial hypoglycemia, or sugar crash is a term describing recurrent episodes of symptomatic hypoglycemia occurring within four hours [1] after a high carbohydrate meal in people with and without diabetes. [2]
The glycemic (glycaemic) index (GI; / ɡ l aɪ ˈ s iː m ɪ k / [1]) is a number from 0 to 100 assigned to a food, with pure glucose arbitrarily given the value of 100, which represents the relative rise in the blood glucose level two hours after consuming that food. [2]
This is because blood glucose levels usually rise after a meal. The American Diabetes Association recommends a postprandial glucose level under 180 mg/dl and a preprandial plasma glucose between 70 and 130 mg/dl. [4] Other uses of postprandial include: Postprandial dip is a mild decrease in blood sugar after eating a big meal.
fasting blood sugar (FBS), fasting plasma glucose (FPG): 10–16 hours after eating [1] glucose tolerance test: [2] continuous testing; postprandial glucose test (PC): 2 hours after eating [1] random glucose test; Some laboratory tests don't measure glucose levels directly from body fluids or tissues but still indicate elevated blood sugar levels.
The fluctuation of blood sugar (red) and the sugar-lowering hormone insulin (blue) in humans during the course of a day with three meals. One of the effects of a sugar-rich vs a starch-rich meal is highlighted. [1] The blood sugar level, blood sugar concentration, blood glucose level, or glycemia is the measure of glucose concentrated in the blood.