What is serum glucose?
What is serum glucose?
Glucose is main energy source for each and every cell in the body. Serum glucose is referred to as level of glucose circulating in the blood. Serum glucose test or blood sugar test is common test to determine the level of glucose in the blood. It helps the physician to evaluate whether blood glucose is elevated, low or within the normal range.
What is a normal glucose level after fasting?
Glucose Levels. A fasting blood glucose test is usually the first step to determining if you have high blood glucose levels, according to the National Institute of Diabetes and Digestive and Kidney Diseases. It is most reliable when done in the morning, after you have fasted for at least eight hours. Normal levels should be below 99 mg/dL.
What is a blood glucose test?
Blood Glucose Test. A blood glucose test is a blood test that screens for diabetes by measuring the level of glucose (sugar) in a person’s blood. An explanation of the test is included.
What is the fed state of blood glucose?
The fed state, also known as the post-absorptive state, occurs after eating a meal, according to the National Library of Medicine. It’s when your body digests a meal. Blood glucose is measured with a blood test.
The glucose serum is the simplest and most direct single test available to test for diabetes. The test measures the amount of glucose in the fluid portion of the blood. It is called a “serum” test due to this fluid portion of the blood. There are multiple components to the bloodstream.
What is plasma glucose?
A plasma glucose test is a measure of how much sugar/glucose you have circulating in your blood. “Random” or “Casual” simply means that you have blood drawn at a laboratory at any time. Whether you have fasted or recently eaten will not affect the test.
What is the difference between fasting plasma glucose and fasting blood glucose?
The fasting plasma glucose (FPG) test, also known as the fasting blood glucose test (FBG) or fasting blood sugar test, measures the levels of glucose (sugar) in the blood. Used to screen for diabetes, it is a relatively simple, accurate, and inexpensive test that exposes problems with insulin functioning.
Why is plasma glucose higher than whole blood?
The glucose concentration in the water that makes up plasma is equal to that of erythrocytes. Plasma has greater water content than erythrocytes and, therefore, exhibits higher glucose levels than whole blood.
Why is serum used to measure blood glucose?
Serum gave values lower than fluoride plasma by 1.15%. Although this difference was statistically significant, it may not be physiologically relevant. Hence, serum may be used for blood glucose determination with an error of 1.15%.
What is high glucose serum plasma?
Hyperglycemia (high blood glucose) means there is too much sugar in the blood because the body lacks enough insulin. Associated with diabetes, hyperglycemia can cause vomiting, excessive hunger and thirst, rapid heartbeat, vision problems and other symptoms. Untreated hyperglycemia can lead to serious health problems.
What is the function of plasma glucose?
Blood sugar, or glucose, is the main sugar found in your blood. It comes from the food you eat, and is your body’s main source of energy. Your blood carries glucose to all of your body’s cells to use for energy.
What is the difference between glucometer and lab test?
Laboratory glucose testing is done on plasma (thus without the influence of hematocrit) and under more controlled conditions. This means that laboratory results are more accurate than your glucometer’s readings. The difference can be higher or lower than your actual values. But you don’t have to worry about this.
Why fasting glucose level in whole blood is lower than in serum?
Glucose concentration may be determined in whole blood, plasma, or serum samples. If whole blood is used, the concentration will be lower than if plasma or serum is used. This is due to the greater water content of the cellular fraction.
Why is plasma sample preferred over serum sample for estimation of glucose?
Specimens can be processed more quickly, shortening the turnaround time for test results. There is a potentially higher sample volume yield with plasma, with approximately 15-20% more plasma obtainable from whole blood than with serum.
How is plasma glucose measured?
The level of glucose in the blood can be measured by applying a drop of blood to a chemically treated, disposable ‘test-strip’, which is then inserted into an electronic blood glucose meter. The reaction between the test strip and the blood is detected by the meter and displayed in units of mg/dL or mmol/L.
What causes high glucose serum plasma?
Hyperglycemia, or high blood glucose, occurs when there is too much sugar in the blood. This happens when your body has too little insulin (the hormone that transports glucose into the blood), or if your body can’t use insulin properly. The condition is most often linked with diabetes.
What does high glucose serum plasma mean?
If your results show higher than normal glucose levels, it may mean you have or are at risk for getting diabetes. High glucose levels may also be a sign of: Hyperthyroidism. Pancreas disorders. Stress from surgery, very serious illness, or trauma.
What is normal plasma glucose level?
Normal plasma glucose levels are defined as under 100 mg/dL during fasting and less than 140 mg/dL 2-hours postprandial. Additionally, glucose levels in healthy individuals can vary with age.
Is glucometer higher than lab test?
Lab tests generally demonstrate a higher level of accuracy than personal blood glucose meters, but even these machines can have a slight margin of error.
Why is plasma preferred over serum for glucose?
In conclusion, although the differences in plasma and serum glucose is not yet clearly revealed, measurement of glucose in plasma allows samples to be centrifuged promptly without waiting for the blood to clot, and values can be measured immediately to avoid glycolysis.
Which is better serum or plasma?
Serum lacks some proteins. You better use serum rather than plasma. Anticoagulate in the plasma interfers with many biochemical parameters particularily trace elements. It is analyte and method specific.
What are the advantages of using plasma over serum?
Some of the advantages of plasma over serum are large volume, no delayed clotting, less risk of haemolysis. In addition, the sample is often suitable for both whole blood and plasma monitoring.
What is difference in between glucose and mean plasma glucose?
Plasma is a component of blood–it includes the non-cellular part of blood. Therefore, plasma glucose and blood glucose are both measuring the amount of blood circulating in your bloodstream. If you have elevated plasma glucose, then you should speak with your doctor about doing further testing for diabetes.