Diabetes: Which test to take up when?

From HbA1c to Fructosamine and blood glucose to insulin, different tests with similar result for Diabetes. Know what differs these tests. Read on..

                                               Diabetes: Which test to take up when?

    Diabetes, a disorder in the body because of an unhealthy lifestyle, genetics or the improper functioning of the immune (defense) system. Diabetes causes rise in  glucose (sugar) levels, resulting in adverse affects. This abnormally high levels of glucose is checked by various test.

    Which tests to choose and why?


    1.HbA1c test:
    Most widely used test that can diagnose and monitor diabetes. 

    lSince there is high amount of glucose in the blood in diabetic patients, most of it attaches to hemoglobin molecule of red blood cells (RBC) present in blood. 

    lThe levels of this marker rise significantly with the onset of diabetes and HbA1C test senses this rise. Patient’s glucose levels for the last 3 months can also be detected. 

    lHbA1c is advantageous for pre-diabetic patients and hence early word of caution could be given to them.

    2.Fructosamine test:
    This test works on different principle when compared to HbA1c test.

    lHere the glucose moiety attaches to a protein known as albumin. 

    lThe reaction proceeds further giving rise to Fructosamine; the marker that is detected here.

    lChanges in blood glucose sugar level are detected faster by this test, and gives us the record of past 21 days. 

    lParticularly useful for anemic patients, elderly people and pregnant woman.


    3.Blood Glucose test:
    A basic tests that aids in knowing the current sugar levels. 

    lFasting blood sugar tests are done, in which patients are told not eat anything for 8 hours prior to testing. 

    lAlso, postprandial testing is done, 2 hours after a meal to assess the action of insulin.

    lRandom blood sugar test can be done at time of the day to reveal the blood sugar levels at that point.

    lThese tests are more so useful for monitoring purposes and to check the efficiency of drugs that control diabetes.


    4.Insulin Test:

    Unlike the other tests mentioned above, this test measures insulin level and not the glucose level.

    lInsulin is a hormone required by the body to use glucose.

    lDuring diabetic conditions insulin secretion by cells of pancreas become low or is stopped  completely.

    lSo, this test will help in understanding the functioning of pancreatic cells and our body’s response to insulin.



    Different merits yet similar results

    With merits of each technique exhibiting different roles and results, all these tests are fairly unique and provide specific information. So with the onus on patient history and medical condition the right test is prescribed by your medical practitioner to look for the ideal result.   

    Key Words- HbA1c test, Fructosamine test, Blood Sugar Insulin test, Diabetes testing,  Diabetes Type-2 Type-1, Insulin Test.





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