Glucose Test
Glucose Test
Glucose Test
Faculty of Medicine
1. Definition
2. Indications
3. Procedure
4. Normal Sugar Curve
5. Diabetic Curve
6. Renal Glucosuria
It peaks in 30 to 60 minutes
and returns to normal levels
within 3 hours when sufficient
insulin is present to metabolize
the glucose ingested at the
beginning of the test.
• It is indicated if:
1. Family history of diabetes.
2. Obesity.
3. Unexplained episodes of hypoglycemia.
4. History of recurrent infections (boils & abscesses)
5. In women, history of delivery of large infants, stillbirths,
neonatal death, and premature labor.
6. Transitory glycosuria or hyperglycemia during pregnancy,
surgery, trauma, stress, and MI.
Biochemistry and Molecular Biology Department
Procedure
5. Samples of blood and urine are then taken every 0.5- 1 hour
for 2.5 hours and each is estimated for its glucose content.
The total duration of curve is about two hours. A decrease below the
fasting level may occur after two hours due to overaction or
oversecretion of insulin.
Fasting Blood-1
Glucose %mg 140-160 %mg 180-200
: Peak -2
Time After 1 Hour After 1 Hour
Value %mg 200-250 %mg 300-400
Return to fasting -3
level after 2 hours Not reaching fasting level