Why do I get different blood glucose readings?

You might get different BG readings even from the same drop of blood because of a concept called sampling. Imagine that you have a glass of water and you drop some blue food coloring into the glass. In this example, the glass of water is your blood; the food coloring is the sugar in your blood.

Why do you get different blood sugar readings on different fingers?

But varying your fingers is better. The solution for better diabetes control: “The goal is to use a different finger each day or each time,” she says. Switching fingers allows the pricked finger to heal and also helps to avoid pain caused by repeat jabs.

What can cause false high blood sugar readings?

10 Common Blood Sugar Testing Mistakes

  • Mistake #1: Buying a blood sugar meter that doesn’t fit your daily life.
  • Mistake #2: Selecting a device your insurance won’t cover.
  • Mistake #3: Setting up the incorrect time and day on your meter.
  • Mistake #4: Testing at the wrong time.
  • Mistake #5: Not getting into a routine.
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Does squeezing finger affect blood sugar reading?

The participants also tested their blood sugar using varying amounts of pressure to squeeze a drop of blood from the tested finger. (In general, guidelines advise against squeezing the finger too hard to get a blood drop because it may distort blood sugar readings.)

How do I know if my glucose meter is accurate?

Check your blood sugar level with your meter at the same time that blood is drawn for lab tests. Then compare your meter’s reading with the lab results. Results that are within 15 percent of the lab reading are considered accurate.

How soon after waking up should I test my blood sugar?

In most cases, doctors ask people to measure fasting blood sugar immediately upon waking and before they have anything to eat or drink. It may also be appropriate to test blood sugar before eating or sometimes 2 hours after a meal when blood sugar has returned to normal levels.

Can blood sugar change in minutes?

Although you want to get the best results for each skin prick, when you’re new to blood sugar testing it can be confusing to watch those results change throughout the day. “It’s helpful to understand that blood sugar changes minute by minute,” says certified diabetes educator Karen A.

What is normal blood sugar by age?

Normal blood glucose levels for adults, without diabetes, is 90 to 110 mg/dL. Learn the symptoms of high and low blood sugar here.

Normal blood sugar levels for adolescents.

Normal blood sugar levels for adolescents
Age 6-12 mg/dL
Fasting 80-180
Before meal 90-180
1-2 hours after eating Up to 140
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How can I quickly lower my blood sugar?

When your blood sugar level gets too high — known as hyperglycemia or high blood glucose — the quickest way to reduce it is to take fast-acting insulin. Exercising is another fast, effective way to lower blood sugar.

Eat a consistent diet

  1. whole grains.
  2. fruits.
  3. vegetables.
  4. lean proteins.


Why is it important to wipe away the first drop of blood?

Wipe away the first drop of blood using gauze to remove tissue fluid contamination.

How often should you replace your glucose meter?

Many glucose meters can last more than 10 years and still function normally. If you’ve had your glucose meter for a while, you may be wondering when you should consider replacing it. The key to knowing when it’s time for new equipment primarily lies with the accuracy of your machine.

Can Accu Chek be wrong?

The data is shocking and alarming. To keep our blood sugar levels in check, we rely on glucose testing. But the thing is, these readings might be inaccurate sometimes. Though with the advancement in technology, modern meters have made inaccurate readings less common.

What is the best and most accurate blood glucose monitor?

Top 7 glucose meters and monitors

  • Best overall for new users. Care Touch Blood Glucose Monitoring System. …
  • Best for blood-free readings. FreeStyle Libre. …
  • Most accurate CGM. Dexcom G6. …
  • Longest-lasting CGM sensor. Eversense. …
  • Best for detailed glucose data. Guardian Connect System. …
  • Best for budget. …
  • Best for extra features on a budget.
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