Quick Answer: Can You Get Different Blood Sugar Readings From Different Fingers?

Can your glucose meter give wrong readings?

When used correctly, blood glucose monitors — small devices that measure and display your blood sugar level — are usually accurate.

But occasionally they may be incorrect..

How quickly can your blood sugar change?

Not everyone’s blood sugar (glucose) tumbles as quickly as Jeff’s, but there is plenty of research affirming that a healthy diet like the Pritikin Eating Plan combined with daily exercise can profoundly reduce blood sugar levels in just two to three week’s time.

How can I get my blood sugar reading accurate?

Read on for the top 10 testing tips.Wash your hands. The single most important step you can take to get a trustworthy reading is to use good ol’ soap and water before you prick your finger. … Use alcohol. … Dry your hands. … Use a second drop. … Test on your finger. … Don’t squeeze. … Get the code. … Use control solution.More items…

What should your blood sugar be 3 hours after eating?

Optimally this level should be less than 120 mg/dL (6.66 mmol/L). The closer to 100, the better. Fourth: Test your 3-hour post-meal blood sugar. Your glucose level should be back to your fasting level or under 100 mg/dL (5.55 mmol/L).

How do I know if my glucose meter is accurate?

Accuracy of Blood Glucose Meters 5 Home blood glucose meters are considered clinically accurate if the result is within 20 percent of what a lab test would indicate. For example, a glucose meter result of 100 mg/dL could vary on the downside to 80 mg/dL or on the upside to 120 mg/dL and still be considered accurate.

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

Many people check their glucose levels when they first wake up, before a meal, and two hours after eating. This helps them make decisions about food and diet that can help to keep blood sugar levels stable. There are other situations you encounter every day that may also affect your blood glucose.

Which finger is best for glucose testing?

Recommended finger: the World Health Organisation recommends the middle or ring fingers are used for blood glucose tests (second and third fingers).

Can not washing hands affect blood sugar reading?

Blood glucose monitoring is an important part of managing diabetes, but according to a new study in the journal Diabetes Care, failure to take the simple action of washing your hands with water before pricking your finger could result in falsely elevated readings.

What can cause false high blood sugar readings?

6 things that can affect blood glucose readingsOut of date test strips. All test strips have an expiry date. … Extreme temperatures can affect blood glucose readings. Extreme temperatures do funny things to blood glucose meters. … Sugar, or other substances, on your fingers. … Wet fingers. … Meter not calibrated. … Dirty meter.

Does squeezing finger affect blood sugar reading?

(In general, guidelines advise against squeezing the finger too hard to get a blood drop because it may distort blood sugar readings.) Overall, the study found, clean hands are still key.

How do I get my morning blood sugar down?

How can high blood sugar levels in the morning be controlled?Changing the timing or type of your diabetes medications.Eating a lighter breakfast.Increasing your morning dose of diabetes medication.If you take insulin, switching to an insulin pump and programming it to release additional insulin in the morning.

How often should you replace your glucose meter?

It may be time to replace or upgrade your meter to a newer model if it’s older than five years and you can get one with a lower monthly cost, increased accuracy, and with features such as a smartphone app. Keep in mind, however, that using your meter—old or new—is more important than the brand or model you own.

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

Contamination of the fingers is a common culprit in blood sugar reading variability. That’s because it only takes a little bit of food residue on your hands to impact blood glucose levels. For example, just touching a banana or cutting a piece of fruit can send your numbers sky high.

Can stress cause a high blood sugar reading?

Stress blocks your body from releasing insulin, and that lets glucose pile up in your blood. If you’re stressed for a long time, your sugar levels will keep building.

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

The first drop of blood can be used after gently squeezing the finger. In daily practice, patients cannot or do not always wash their hands before performing SMBG (1). … Use of the second drop of blood leads to reliable values when the finger is wiped by a tissue in between obtaining the two drops.