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Doctor insights on: What Is A Glucose Monitor

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What's the continuous glucose monitoring system (cgms) benefit?

What's the continuous glucose monitoring system (cgms) benefit?

Excellent: For people who are in intensive Insulin regimens like the Insulin pump, it has been very helpful to fine tune Insulin delivery. For people who are still in injections it has helped me to convince them they need to proceed to the next step, because it shows them how unreliable giving Insulin in bursts through the skin ...Read more

Blood Sugar (Definition)

The blood sugar concentration or blood glucose level is the amount of glucose (sugar) present in the blood of a human or animal. The body naturally tightly regulates blood glucose levels as a part of metabolic homeostasis. Glucose is the primary source of energy for the body's cells, and blood lipids (in the form of fats and oils) are primarily ...Read more


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What is a blood glucose monitor?

What is a blood glucose monitor?

Checks blood sugar: A blood glucose monitor is used to check the concentration of blood sugar (glucose). This is helpful for people with diabetes, a disease in which high blood glucose causes damage to the body over time or, if the glucose is severely high or has risen very quickly, can be fatal rapidly if left untreated. A normal blood glucose before eating is under 100, diabetic is over 125. ...Read more

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What is a continuous blood glucose monitor?

What is a continuous blood glucose monitor?

Blood glucose: No such thing

a glucometer can check blood sugar on demand but it is not continuous. ...Read more

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How can I tell if my glucose monitor is inaccurate?

How can I tell if my glucose monitor is inaccurate?

Calibrate, compare: Hi. You can use the calibration solution that comes with the meter, and/or you can compare it with the meter at your doctor's office. If you have multiple meters (common for type 1's; not so for type 2's), you can compare them. ...Read more

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What's the best time besides morning and bedtime to test with a glucose monitor?

What's the best time besides morning and bedtime to test with a glucose monitor?

Different occasions: Some doctors may request 2 hour post meal testing on occasion. Lot of doctors ask patients to test before all meals, particularly when taking insulin. Certainly when a patient doesnt feel well or has symptoms of low blood sugar, checking blood sugar is warranted. Making sure a low sugar was appropriately treated by retesting withon a half hour is also a good idea., etc. ...Read more

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Used my husbands glucose monitor 2 1/2 hours after started eating it was 126 is that bad?

Used my husbands glucose monitor 2 1/2 hours after started eating it was 126 is that bad?

Normal: This is a metered blood sugar which is not as accurate as a lab glucose. Please see your doctor if you have concerns about pre-diabetes or diabetes. ...Read more

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Is there an app that automatically records my glucose monitor because I keep forgetting to record readings in the app?

Is there an app that automatically records my glucose monitor because I keep forgetting to record readings in the app?

Glucometer: Usually most of the current glucometers have a memory, so you do not have to record daily. You may consider buying one. ...Read more

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Are blood glucose monitors accurate?

If they work: To be considered accurate, a blood glucose monitor may be up to 15-18% off when compared to a lab glucose done at the same time. ...Read more

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Can I determine if I am a diabetic by using a glucose monitor?

Can I determine if I am a diabetic by using a glucose monitor?

Its possible: There's a few different diagnostic criteria for diagnosing diabetes. The simplest one, is any random blood sugar greater than 200. The other criteria involve checking 2 separate fasting levels, or taking a glucose tolerance test or checking your blood for something called an a1c. ...Read more

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What can we learn from a continuous glucose monitoring system (cgms)?

What can we learn from a continuous glucose monitoring system (cgms)?

Excellent: For people who are in intensive Insulin regimens like the Insulin pump, it has been very helpful to fine tune Insulin delivery. For people who are still in injections it has helped me to convince them they need to proceed to the next step, because it shows them how unreliable giving Insulin in bursts through the skin ...Read more

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How does a blood glucose monitor work?

How does a blood glucose monitor work?

Chemical reaction: There is a sharp lance that gets a drop of blood. This goes onto a strip that undergoes a chemical reaction. The resultant color reaction is read my the meter and translated into the number that appears of the face of the meter and tells you the blood sugar is at that time. ...Read more

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What do I do with my blood glucose monitoring results?

What do I do with my blood glucose monitoring results?

Show doctor: Show it to your doctor so that he can make adjustments as needed. It also helps him in calculating your Insulin doses if you're on two types of insulin. ...Read more

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Can my meter mess up the blood glucose monitoring results?

Can my meter mess up the blood glucose monitoring results?

Yes: A meter can give you a false value, especially if it's old. If you get an unexpected result, it's a good idea to check it again before you act on it. You can check the accuracy of the meter by using the control solution that comes with it, or just check your blood through the meter right before getting your blood draw at the lab. ...Read more

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Why must I keep a record of my blood glucose monitoring results?

Why must I keep a record of my blood glucose monitoring results?

Trend: So your doctor can see trends over days but more importantly, during different times of the day. That way he can adjust your diabetic regimen accordingly to keep your glucose controlled in the right range without much variability high or low. ...Read more

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Is there a blood glucose monitor that does not require a prick to get results?

Sorry, no: At this time, real time blood sugar monitoring requires capillary blood, which involves a needle prick. Some meters allow for use on palms an thighs, but the result is less accurate. Continuous glucose monitors can check bgs every 5 min to let your dr see 'the overall trend' over several days, but even then you still have to check finger stick 2-4 times daily to calibrate the monitor... ...Read more

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Would a blood glucose monitor with a low battery, but still working, give a false reading?

Would a blood glucose monitor with a low battery, but still working, give a false reading?

It Might: Like any other electronic device a good battery supply is essential if we want to get accurate readings. Your numbers may be coming out accurate but change the battery to make sure. If you have already done that then your number should be accurate. I wouldn't place a whole lot of stock in blood sugars before you changed the battery as they may have been off. Start for now and you will be confident. ...Read more

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Where can I get a wireless real-time blood glucose monitor to use with a smartphone like shown on abc news?

Where can I get a wireless real-time blood glucose monitor to use with a smartphone like shown on abc news?

Wireless glucometer: Because this is a relatively new product niche there aren't many options out there. One that i've come across (and am not providing a recommendation for or against) would be ibgstar, if you're looking for more options, try searching online for "smartphone glucometer". ...Read more

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Ok, went 2 dr 2day got a blood glucose monitoring system, ? Is what should be a normal level be?...Didn't get told told told that part?

Ok, went 2 dr 2day got a blood glucose monitoring system, ? Is what should be a normal level be?...Didn't get told told told that part?

Normal blood sugars: Fasting, first thing in the morning, you want your sugar to be less than 100; 2 hr after you eat, it should be less than 150; you never want to see it over 200. ...Read more

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When need i monitor blood glucose level?

When need i monitor blood glucose level?

Diabetes?: If you have diabetes it depends on treatment. On Insulin we ask our patients to test @ home upon waking up on the morning, all meals, and bedtime. On oral medication it is really doctor dependent. Some would ask for fasting blood sugars and 2 hour post meal sugars a few times/ wk perhaps at home. Without diabetes you don't have to do home checks, but follow up with your doctor. ...Read more

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When must I monitor my blood glucose levels so often?

When must I monitor my blood glucose levels so often?

Varies: How often to check your blood sugar depends on how you are using that information. If you are adjusting your Insulin based on blood sugars, you need to test a minimum of before each meal; you may also need to test after some meals to evaluate the effectiveness of the mealtime doses. ...Read more

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Is there a needle-less glucose blood sugar monitor system?

Not yet: But much reasearch being done to find technology that is accurate enough for clinical care/ use by patients. ...Read more

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Should I check my blood sugar levels at home with a glucose monitor?

Should I check my blood sugar levels at home with a glucose monitor?

With diabetes yes: Assuming you have diabetes, monitoring glucose is important for Insulin dosing, and is associated with better control even in patients who take only oral meds. Without diabetes, there is unlikely to be much benefit and monitoring is not indicated unless specifically advised for a defined reason. Healthy bodies are exceptional at regulating sugar. ...Read more

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Should I monitor my glucose levels more frequently while i'm pregnant?

Definitely: Yes definitely, because tight glucose control is even more important in pregnancy to prevent fetal abnormalities. ...Read more

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What steps must I follow to monitor my blood glucose levels and what supplies would I need?

What steps must I follow to monitor my blood glucose levels and what supplies would I need?

Depends on monitor: Your doctor will tell you how often to test. You will need a blood glucose monitor, test strips, control solution, and lancets. The exact supplies may be specific to the type of monitor you have. Most allow you to test on multiple locations, not just your finger. I would recommend following the specific instructions that come with your monitor. ...Read more

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Margin of error for riteaid TrueResult and wallgrns True2go blood glucose monitors? If 91mg/dl 30min after meal? Margin of error? Accurate?

Margin of error for riteaid TrueResult and wallgrns True2go blood glucose monitors?  If 91mg/dl 30min after meal? Margin of error? Accurate?

Post prandial BG var: Limited data available as reported. should ask for a formal consult request at health tap for comprehensive response

post prandial blood glucose levels can vary depending on the meal quantity/quality, duration after meal etc

Do you have diabetes? what type, how is the control...are you on insulin/preparndia insulin? why checking random, or post prandial blood glucose levels? ...Read more

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I guess what I need 2 know the most is, dr gave me this glucose monitor, just 2 use when having wek, dizzy, faintin spells...What would be a low level?

I guess what I need 2 know the most is, dr gave me this glucose monitor, just 2 use when having wek, dizzy, faintin spells...What would be a low level?

Less than 60: Normal fasting level 60-99 (some labs have 65-110)...But any less than 60 is hypoglycemia (low blood sugar).
Any random level above 200 is highly indicative of diabetes..
Read the owners manual for instruction on how to interpret the readings...
When in doubt, consult your doc...
Good luck. ...Read more

Dr. Cayce Jehaimi
2,607 doctors shared insights

Glucose (Definition)

Glucose is the basic sugar molecule and the source of energy throughout the living kingdom. We are programmed to easily detect it by taste in our foods as it is desirable but can be overdone with the modern diet. It gets out of control ...Read more