What is the FBS test (fasting blood sugar test)? Its full interpretation

What is the reason for prescribing the FBS test?

The endocrinologist prescribes the FBS test with the aim of preventing, treating and controlling high blood sugar.... By interpreting the fasting blood sugar test, it is determined whether you have type 2 diabetes or are in the pre-diabetes stage...

Also, if you have a history of diabetes in your family, you should do fbs test at regular intervals.... High blood sugar is a silent disease.... This disease grows so slowly that you don't notice it at all.... Vision disorders (blurred vision), kidney damage, cardiovascular diseases and high blood pressure are serious complications of diabetes.

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How do I show up for a fasting blood sugar test?

• To do fbs test, you need to fast for 8 to 12 hours....
• Eat a light dinner the night before the test and try not to make any special changes in your diet.
• If you are taking a certain medication, be sure to talk to your doctor about it before taking a sample and doing the test.
• During the fasting period, you can drink water to quench your thirst.. but tea, coffee and fruit juice are prohibited.
• Try to observe the duration of fasting... If you do the fasting blood sugar test sooner or later, the result of the blood test may be wrong.
• When visiting the laboratory, be sure to bring something to eat after taking the sample.... This way, you will avoid possible weakness.

How is the FBS test done?

The laboratory expert will take a blood sample from the vein in your arm... for this purpose, he will tie a bandage called a tourniquet on your arm and after finding the vein, he will take blood with a syringe.... If the doctor has prescribed this test for the baby, a blood sample will be taken from the heel of the child's foot...

After taking blood, stay in the laboratory for a few moments so that your condition can be monitored in case of possible complications.

Normal level and critical level of blood sugar in FBS test

You can see the normal fbs level and its critical level in the following table:

Note: The fasting blood sugar level for diabetic patients should be between 80 and 130 mg/dL.

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Interpretation of fasting blood sugar test

If the result of the test sheet shows high fbs, the specialist doctor will probably prescribe repeating the blood test.... If the result is still positive, your treatment will start.

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To interpret the FBS test, the doctor also recommends other related tests. Tests related to the fbs test include the following:

A1C or HbA1c test

This test is used to diagnose type 1 diabetes from type 2. The results show the amount of hemoglobin in the blood that binds to glucose.... If the level of this test is high, it means that the person has uncontrolled diabetes. The results are expressed as a percentage:

The table below also helps compare A1C test levels and glucose levels:

Random blood sugar test

There is no need to fast to perform this test and you can take samples at any hour of the day... This test is mostly prescribed for people who have type 1 diabetes and the doctor wants to check their condition quickly.... If the result is 200 mg/dL or more, it means that you have diabetes.

OGTT glucose tolerance test or (glucose tolerance test)

This test helps to diagnose gestational diabetes and type 1 and 2 diabetes.... This test has 2 stages.... In the first stage, you must fast and give blood.... After that, you must drink a glucose solution prepared by the laboratory.... Then, at specific time intervals, which are usually 30 minutes, one hour, one and a half hours, two and three hours, blood samples will be taken from you again.... These time intervals are determined by the attending physician...

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Comparison table of blood sugar test types and their results

Cause of high FBS in blood test

High blood sugar level is called hyperglycemia, and the following are the most common causes:

• Underlying diseases such as pancreas or adrenal gland problems.
• Stress
• Eating too much starchy and sweet foods
• immobility
• Neglecting the use of diabetes medications

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Signs of high FBS in blood test

• Urine frequency
• Extreme thirst
• Feeling weak and tired
• Weight loss
• Visual disturbances such as blurred vision

The cause of low FBS in blood test

• Excessive use of insulin
• Neglect of meals
• Extreme sports activities

Symptoms of low fbs in blood test

• Feeling of hunger and weakness
• Excessive sweating
• Body muscle tremors
• Lips tingling feeling
• previous coefficient
• Blurred vision
• Drowsiness

Symptoms of low blood sugar may occur in sleep.... In this case, the patient will face headache, fatigue and sweating after waking up.

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Last word

FBS test (fasting blood sugar test) is one of the common and common tests to diagnose diabetes.... If you experience symptoms such as blurred vision, frequent urination and excessive thirst, it is better to control your blood sugar level.. LLC.

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