|Why is this test performed?||Blood glucose is often measured as part of a group of tests to screen for diabetes. It is also used to monitor glucose levels in persons with diabetes.|
|How to prepare:||
|Diabetes screening levels:||
Levels that may be indicative of diabetes
|Diabetes monitoring and management levels:||
|Related tests:||This test can be ordered on its own or with complimentary tests. If monitoring a patient who is diabetic, the following tests may be requested: glycosylated hemoglobin , lipid profile (ex.: cholesterol , triglycerides ) and kidney function (ex.: serum creatinine , microalbuminuria ).|
Glucose is an essential nutrient that provides energy for the proper functioning of the body. In fact, it is the body's key source of energy and the primary source of energy for the brain and nervous system. The relationship between our dietary intake, what is synthesized by the liver, the use of stores and what is excreted by the kidneys is what regulates blood glucose levels.
If the result is too high
This is usually a sign of diabetes.
If the result is low
A glucose level of 3.9 mmol/L or less is known as hypoglycemia. When left untreated, severe hypoglycemia can be life-threatening. Taking too much insulin or other diabetes medications, exercise, and not getting enough sugar to meet one's needs are among some of the most common causes of hypoglycemia. Drinking alcohol in the fasting state can also cause hypoglycemia.
Certain health conditions, as well as certain medications, can alter blood glucose levels.
Factors that can lower blood glucose levels include:
Factors that can increase blood glucose levels include:
Medications that can increase blood glucose levels:
Before going for blood tests, a procedure or other exam, it is best to always bring a list of all the drugs you take (prescription, OTC and natural health products). Unless told otherwise, you should take your medication as usual on the day of the test. When in doubt, ask your pharmacist for more information.
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The patient information leaflets are provided by Vigilance Santé Inc. This content is for information purposes only and does not in any manner whatsoever replace the opinion or advice of your health care professional. Always consult a health care professional before making a decision about your medication or treatment.