Glucose tolerance test
- 2. CONTENT • Defination • Who is given GTT • Prepration of GTT • Procedure • Side effect of GTT • Normal value • Result • Notes
- 3. DEFINATION : • The glucose tolerance test is a medical test in which glucose is given and blood sample take forward to determination how quick it is cleared from the blood OR • The GTT is performed to determine how your body responds to glucose you drink a glucose solution and your blood is taken at interval to see how quick the glucose removed from the blood
- 4. OR There are several types of GT used in different condition but the most common one of them is oral glucose test or OGTT
- 5. WHO IS GIVEN GTT • The GTT is usually given to pregnant womens during 24th and 28th week of pregnancy • this test is also given to pregnant who has diabetic symptoms • beside that GTT is also given to the patient who have high Glucose level in blood
- 6. PREPRATION OF GTT • have a normal diet like any other day • inform the doctor about the varied prescription of drug you are taking because certain drug can be false result • fasting is required for 8 to 10 hours you might want to avoid using the washroom period to testing as urine samples may be needed • on margin of testing do not smoke or have coffee or caffeine based product • GTT is not done in sick person
- 7. GTT PROCEDURE • At first a zero baseline blood sample is drawn • now given a specific glucose dose to patient • after that the blood sample are drawn at regular interval of 1, 2, 3 hours to measure blood sample and in some condition insulin also measure
- 8. GTT values in different samples
- 9. RESULT • Forget stationary diabetes no further test is required proper medication and treatment can be started • In case of diabetes in pre diabetes doctor start the treatment with medication and dietary change
- 10. GTT NORMAL VALUE • GTT normal value is lower than 140 mg per DL If the blood glucose level is between 142 to 199 mg per DL then it is a strong indicator of prediabetes
- 11. SIDE EFFECTS OF GTT There is a risk attached with GTT which are follows • people with high level of sugar have following side effect : (I) nausea (II) Stomach discomfort (III)Diarrhoea (IV) constipation
- 12. Side effect • risk attached to drawing blood sample including the following (I) swelling and redness at puncture (II)site infection as puncture site fever
- 13. NOTE • The normal blood glucose level is 70-110 mg/dl • post meal plasma glucose 110-140 mg/dl • random plasma glucose 72-110 mg/dl
- 14. THANKU YOU