History and physical examination are most important tools for diagnosing diabetes Mellitus, however to confirm diagnosis one should have following laboratory tests.
Urine sugar test
Urine ketenes test
OGTT-Oral Glucose Tolerance Test, (also called glucose challenge test)
Blood glucose tests
FPG-Fasting plasma glucose Test
Random plasma glucose Test
Tests for ongoing monitoring of diabetes control:
HbA1c blood test - an average blood sugar measure over about 3 months.
Fructosamine blood test - an average blood sugar measure over about 2 weeks.
How frequently a person must check his sugar level is the decision of your doctor. It mainly depends upon patient’s age and number of risk factors like blood pressure, higher cholesterol or smoking. If you are above 45 years then you should have your blood sugar level after every 3 years.
A- Urine sample for sugar and Ketenes
You may have your urine analysis for sugar or ketenes which are produced by breakdown of fat and muscle cells to diagnose diabetes but you should keep in mind that if you are having positive urine test for sugar then it is not necessary that you are suffering from diabetes because there are other conditions as well which also cause sugar to appear in urine.
B-THE FASTING BLOOD GLUCOSE (SUGAR) TEST
For diagnosing Diabetes Mellitus one must have this test because it is best, easy and comfortable to perform. You should have overnight fast (at-least 8 hours) before performing this test. If fasting blood glucose is below 100mg/dl, then you don't have diabetes. Between 100mg/dl to 125mg/dl is called a Pre-diabetes or Impaired fasting glucose condition. If fasting blood glucose is above 126mg/dl on more than two occasions then you are suffering from diabetes.
C-RANDOM (NON-FASTING) BLOOD GLUCOSE TEST
It is also a good test for diagnosing diabetes. In this test we take sample of blood shortly after taking a meal and then check glucose level in blood.
D-ORAL GLUCOSE TOLERANCE TEST (OGTT)
Though this test is not commonly used these days but it is still a gold standard for diagnosing diabetes. For diagnosing gestational diabetes this is best test.
Person is not taking anti diabetic drugs or any drug which alters blood sugar level.
Before test, person should eat high carbohydrate diet for three days.
No alcoholic beverages.
On test day one should not smoke or take coffee.
Glucose Tolerance Test Procedure
First normal blood glucose is tested. Then person drinks 75gm of glucose, for pregnant woman dose of glucose is 100 gm. Then blood samples are taken at particular intervals for measuring blood glucose level. Blood glucose level is measured five times over a period of 3 hours. In simple words, in normal person, this blood sugar level gets higher value by taking 75gm of glucose; however it falls down quickly, but in person having diabetes the blood sugar level rises higher than normal but does not come down quickly. If a person has fasting blood glucose above 140mg/dl and 2 hours value after 75gm of oral glucose greater than 200mg/dl and considered as diabetics. If 2 hours blood glucose value between 140-200mg/dl is labeled as Pre-diabetic condition or impaired fasting glucose. During pregnancy, 2 hours blood glucose value between 140-200mg/dl is treated as a case of diabetes.
OTHER TESTS
Glycosylated hemoglobin Test or HB A1 Test:
Very important test which tells you how good you are in controlling your blood sugar. It shows your blood sugar control during the past 2 to 3 months. Intravenous GTT:
This test is performed in individuals who have intestinal disease or malabsorption.
Extended GTT:
In this the oral Glucose Tolerance Test is extended to 3-4 hours rather than 2 hours, for appearance of symptoms of hyperglycemia. In short if your fasting blood glucose is more than 126mg/dl on two or more days, or your random blood glucose is above 200mg/dl or your oral glucose tolerance test is positive i.e. 2 hours blood glucose value between above 200mg/dl after 75gm of glucose, then you are suffering from Diabetes Mellitus.
Always Get Your Blood Sugar Levels Tested To Monitor Diabetes
Although it is now common hearsay that one can easily detect the symptoms of this disease, but one cannot be perfectly sure of being diabetic. It requires a blood test to establish for certain that one has diabetes.
The blood test that is done for checking diabetes is a test to check the blood sugar levels in the body. The test is carried out in two phases on the same day. The first blood test is carried out on the patient’s blood when he is fasting. So, a patient coming for the test arrives without taking his breakfast or even a cup of morning tea or coffee. If the blood sugar levels are found to be 126 milligrams per deciliter or higher, on two separate occasions, after fasting, then there is a likelihood of diabetes.
Following this, another blood test is taken after the patient has had his breakfast and a cup of tea or coffee. This time the blood sugar levels should not go above 200 milligrams per deciliter. In case it is above this mark, then the likelihood of diabetes is high. At times the patient is given 75 gram glucose solution to drink. Then the blood sugar levels are checked for monitoring the blood sugar levels as well as the measurement of ketenes, which are the products from the breakdown of fats.
Once these tests have been successfully carried out, the patient is prescribed a course of treatment which involves both the physical and emotional aspects of his being, as diabetes is not a malaise of the physical body alone. It is also a disease that affects one’s emotions and reactions.
Urine sugar test
Urine ketenes test
OGTT-Oral Glucose Tolerance Test, (also called glucose challenge test)
Blood glucose tests
FPG-Fasting plasma glucose Test
Random plasma glucose Test
Tests for ongoing monitoring of diabetes control:
HbA1c blood test - an average blood sugar measure over about 3 months.
Fructosamine blood test - an average blood sugar measure over about 2 weeks.
How frequently a person must check his sugar level is the decision of your doctor. It mainly depends upon patient’s age and number of risk factors like blood pressure, higher cholesterol or smoking. If you are above 45 years then you should have your blood sugar level after every 3 years.
A- Urine sample for sugar and Ketenes
You may have your urine analysis for sugar or ketenes which are produced by breakdown of fat and muscle cells to diagnose diabetes but you should keep in mind that if you are having positive urine test for sugar then it is not necessary that you are suffering from diabetes because there are other conditions as well which also cause sugar to appear in urine.
B-THE FASTING BLOOD GLUCOSE (SUGAR) TEST
For diagnosing Diabetes Mellitus one must have this test because it is best, easy and comfortable to perform. You should have overnight fast (at-least 8 hours) before performing this test. If fasting blood glucose is below 100mg/dl, then you don't have diabetes. Between 100mg/dl to 125mg/dl is called a Pre-diabetes or Impaired fasting glucose condition. If fasting blood glucose is above 126mg/dl on more than two occasions then you are suffering from diabetes.
C-RANDOM (NON-FASTING) BLOOD GLUCOSE TEST
It is also a good test for diagnosing diabetes. In this test we take sample of blood shortly after taking a meal and then check glucose level in blood.
D-ORAL GLUCOSE TOLERANCE TEST (OGTT)
Though this test is not commonly used these days but it is still a gold standard for diagnosing diabetes. For diagnosing gestational diabetes this is best test.
Person is not taking anti diabetic drugs or any drug which alters blood sugar level.
Before test, person should eat high carbohydrate diet for three days.
No alcoholic beverages.
On test day one should not smoke or take coffee.
Glucose Tolerance Test Procedure
First normal blood glucose is tested. Then person drinks 75gm of glucose, for pregnant woman dose of glucose is 100 gm. Then blood samples are taken at particular intervals for measuring blood glucose level. Blood glucose level is measured five times over a period of 3 hours. In simple words, in normal person, this blood sugar level gets higher value by taking 75gm of glucose; however it falls down quickly, but in person having diabetes the blood sugar level rises higher than normal but does not come down quickly. If a person has fasting blood glucose above 140mg/dl and 2 hours value after 75gm of oral glucose greater than 200mg/dl and considered as diabetics. If 2 hours blood glucose value between 140-200mg/dl is labeled as Pre-diabetic condition or impaired fasting glucose. During pregnancy, 2 hours blood glucose value between 140-200mg/dl is treated as a case of diabetes.
OTHER TESTS
Glycosylated hemoglobin Test or HB A1 Test:
Very important test which tells you how good you are in controlling your blood sugar. It shows your blood sugar control during the past 2 to 3 months. Intravenous GTT:
This test is performed in individuals who have intestinal disease or malabsorption.
Extended GTT:
In this the oral Glucose Tolerance Test is extended to 3-4 hours rather than 2 hours, for appearance of symptoms of hyperglycemia. In short if your fasting blood glucose is more than 126mg/dl on two or more days, or your random blood glucose is above 200mg/dl or your oral glucose tolerance test is positive i.e. 2 hours blood glucose value between above 200mg/dl after 75gm of glucose, then you are suffering from Diabetes Mellitus.
Always Get Your Blood Sugar Levels Tested To Monitor Diabetes
Although it is now common hearsay that one can easily detect the symptoms of this disease, but one cannot be perfectly sure of being diabetic. It requires a blood test to establish for certain that one has diabetes.
The blood test that is done for checking diabetes is a test to check the blood sugar levels in the body. The test is carried out in two phases on the same day. The first blood test is carried out on the patient’s blood when he is fasting. So, a patient coming for the test arrives without taking his breakfast or even a cup of morning tea or coffee. If the blood sugar levels are found to be 126 milligrams per deciliter or higher, on two separate occasions, after fasting, then there is a likelihood of diabetes.
Following this, another blood test is taken after the patient has had his breakfast and a cup of tea or coffee. This time the blood sugar levels should not go above 200 milligrams per deciliter. In case it is above this mark, then the likelihood of diabetes is high. At times the patient is given 75 gram glucose solution to drink. Then the blood sugar levels are checked for monitoring the blood sugar levels as well as the measurement of ketenes, which are the products from the breakdown of fats.
Once these tests have been successfully carried out, the patient is prescribed a course of treatment which involves both the physical and emotional aspects of his being, as diabetes is not a malaise of the physical body alone. It is also a disease that affects one’s emotions and reactions.
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