What is a Blood Glucose Monitor?
Blood sugar is the amount of sugar in your blood at a given time. It’s important to check your blood sugar level, because it will:
- determine if you have a high or low blood sugar level at a given time
- show you how your lifestyle and medication affect your blood sugar levels
- help you and your diabetes health-care team make lifestyle and medication changes to improve your blood sugar levels
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Glycemic Index and Blood Glucose Levels
The glycemic index was a concept that was introduced by Dr. David Jenkins out of the University of Toronto.
It’s a concept that categorizes food on how quickly it causes a rise in blood sugar once ingested. They categorize foods whether they are high glycemic or low glycemic, and it’s interesting to note that foods like white bread or potatoes actually cause a faster blood sugar rise than a food like regular table sugar.
So when you’re choosing your meals, for example if you wanted rice for dinner, try to choose wild rice over white, and when it comes to fruit, choose blueberries over watermelon.
If somebody has more questions about the glycemic index they should speak with a local dietitian, certified diabetes educator or a diabetes specialist.
If somebody has more questions about the glycemic index, they should speak with a local dietitian, certified diabetes educator or a diabetes specialist. Blood Glucose Monitoring Patient Communication System
Local Practitioners: Registered Dietitian
Sarah Ware, B.Sc.(Hons), RD, CDE, discusses Glycemic Index and Blood Glucose Levels
Best Time to Test Blood Glucose Levels
For people with type 1 or type 2 diabetes who are using insulin to control their blood sugars, we suggest that they test their blood glucose levels as frequently as they’re taking insulin.
Often, you need that information to be able to make an adjustment to your insulin dosage. So that’s really the easy one. Where it gets a bit more difficult is when you’re using oral medications to manage your diabetes.
Some of those medications put you at absolutely no risk for having a low blood sugar, but other medications can actually put you at risk of having a low blood sugar.
So for people who use oral medications to manage their diabetes, we really want to determine, should they be testing because they’re going to make some changes to their diet or their activity, or should they be testing their blood glucose levels because they’re at risk of hypoglycemia?
And it’s important to understand that hypoglycemia is a risk for people living with diabetes. So anytime that you suspect that you may be having a low blood sugar, you should test your blood sugar to see what it is, or check your blood sugar.
And also, any time that you’re at risk of having a low blood sugar, such as unusual activity, less food than usual, or a mistake in your medication, you should always be testing to make sure whether or not your blood sugar is too low.
The appropriate use of blood glucose monitoring is around the world a very important question. Many associations have addressed this in their guidelines for those caring for people with diabetes. What’s important to remember is that how you use self-monitoring of blood glucose should be individualized to your diabetes and what you’re trying to achieve.
And so, for example, for people whose blood sugars are out of control, you may be asked to monitor more frequently to be able to identify patterns of areas where your blood glucoses are not controlled.
For people who are using insulin, you may feel the need to test more frequently to adjust; you might feel your highs and lows. So you may be testing more frequently than you’re taking insulin.
What’s important to know as well is that for some people, they may have episodes of overnight low blood sugars. So sometimes, we’re asking them to get up in the middle of the night and to test their blood sugar. Why would we do that?
Well, there are certain medications that can cause you to go low overnight, and the symptoms of being low overnight are very different than the symptoms of being low during the day.
What are they? Often, if you’ve had a low blood sugar overnight, you’ll wake up with a headache. Often, if you’ve had a low blood sugar overnight, you might have had a nightmare, or perhaps you’re having night sweats.
And for women who are in the menopausal state, “Am I having night sweats because I’m menopausal or am I having a night sweat because I’m low?” So the way that we validate that information is by asking people to test in the middle of the night. Blood Glucose Local endocrinologist Monitoring Patient Communication System. Local Endocrinologist
Presenter: Lori Berard, Nurse, Winnipeg, MB
Local Practitioners: Nurse
Sarah Ware, BSc (Hons), RD, CDE, discusses blood glucose control and diabetes diet.