Plasma glucose 3 hrs after 75 gm glucose
The plasma glucose level measured 3 hours after a 75-gram glucose tolerance test (GTT) is a diagnostic tool used to assess glucose metabolism. This test involves measuring the glucose levels in the blood after fasting, followed by consuming a glucose solution. After 3 hours, a blood sample is taken to determine how efficiently the body has processed the glucose. Elevated glucose levels at this point may indicate impaired glucose tolerance or diabetes mellitus, providing valuable insights into an individual's metabolic health and potential risk for developing diabetes.
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How our test process works!
- Purpose: To measure how well the body processes glucose.
- Procedure:
- Fasting blood glucose level is measured.
- The patient consumes a 75-gram glucose solution.
- Blood glucose levels are measured at intervals, commonly at 1 hour and 2 hours, but sometimes also at 3 hours post-consumption.
- Who should be tested:
-
- Individuals with symptoms of diabetes (e.g., increased thirst, frequent urination).
- Pregnant women (typically between 24-28 weeks of gestation).
- Individuals at high risk for diabetes (e.g., obesity, family history, previous gestational diabetes).
- Fasting glucose: < 100 mg/dL (5.6 mmol/L)
- 1-hour glucose: < 180 mg/dL (10.0 mmol/L)
- 2-hour glucose: < 140 mg/dL (7.8 mmol/L)
- 3-hour glucose: Not typically used in standard practice, but values should ideally return to fasting levels or be below 140 mg/dL (7.8 mmol/L) as a general indicator.
- Normal Glucose Tolerance: 2-hour glucose < 140 mg/dL (7.8 mmol/L)
- Impaired Glucose Tolerance (Prediabetes): 2-hour glucose 140-199 mg/dL (7.8-11.0 mmol/L)
- Diabetes Mellitus: 2-hour glucose ≥ 200 mg/dL (11.1 mmol/L).
- Specimen: Venous blood sample
- Collection: Blood is drawn from a vein, typically in the arm.
Frequently Asked Question
Plasma glucose 3 hrs after 75 gm glucose/B.S.3H AFTER 75GM GLUCOSE
Plasma glucose 3 hrs after 75 gm glucose
The plasma glucose level measured 3 hours after a 75-gram glucose tolerance test (GTT) is a diagnostic tool used to assess glucose metabolism. This test involves measuring the glucose levels in the blood after fasting, followed by consuming a glucose solution. After 3 hours, a blood sample is taken to determine how efficiently the body has processed the glucose. Elevated glucose levels at this point may indicate impaired glucose tolerance or diabetes mellitus, providing valuable insights into an individual's metabolic health and potential risk for developing diabetes.
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