HomeLab TestGTT 5th
Overview
The GTT involves measuring blood glucose levels at multiple intervals after consuming a glucose-rich solution. The 5th test refers to the fifth blood sample taken during the test, often around the 2- or 3-hour mark depending on the protocol.
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Risk Assessment
Risk Assessment
The test evaluates the risk for conditions such as:
- Type 2 Diabetes: Insufficient insulin production or insulin resistance.
- Gestational Diabetes: Glu...
Normal Range
Normal Range
The normal glucose range for the GTT depends on the time of the sample.
For a 75g oral glucose tolerance test (OGTT):
- Fasting: < 100 mg/dL (5.6 mmol/L)
- 1 h...
Interpretation
Interpretation
- Normal: Blood glucose levels return to baseline by the final sample.
- Impaired Glucose Tolerance: 2-hour value between 140–199 mg/dL (7.8–11.0 mmo...
Sample Type
Sample Type
- Type: Venous blood sample.
- Method: Plasma glucose is typically measured using enzymatic assays like glucose oxidase or hexokinase methods.
Frequently Asked Questions
How long does the test take?
What is the 5th Glucose Tolerance Test?
Why is a GTT repeated?
How is the GTT conducted?
What do the results indicate?
What should I do if my GTT results are abnormal?
Are there any risks associated with the GTT?
Can I eat or drink before the GTT?
Do I need to take any medications before the test?
What happens if I feel unwell during the test?
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GTT 5th
The 5th Glucose Tolerance Test (GTT) involves a sequence of blood sugar assessments to diagnose how well the body processes glucose.
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Sample Type:
blood
Fasting Required:
No
Description
The 5th Glucose Tolerance Test (GTT) involves a sequence of blood sugar assessments to diagnose how well the body processes glucose. This extended test begins with a fasting blood glucose measurement, followed by the administration of a glucose-rich drink. Blood samples are then taken at multiple intervals—typically at 30 minutes, 1 hour, 2 hours, 3 hours, and a final sample at 5 hours post-ingestion. This extended monitoring period helps to provide a comprehensive understanding of the body's glucose metabolism, particularly useful for diagnosi....
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