Thyroid Suppression Test FAQ
What is the Thyroid Suppression Test used for?
It evaluates the hypothalamic-pituitary-thyroid axis to diagnose disorders like hyperthyroidism or pituitary tumors.
How is the Thyroid Suppression Test conducted?
Synthetic T4 is administered, and TSH levels are measured after a suppression period, typically 1-4 weeks.
Who should undergo this test?
Patients with suspected thyroid dysfunction, goiter, or symptoms of hyper/hypothyroidism.
Does the test require special preparation?
Fasting may be required; medications like thyroid hormones might need adjustment beforehand.
What do abnormal results indicate?
Abnormal suppression suggests issues with thyroid regulation, warranting further investigation.
Is the test painful?
Blood draws are typically quick, causing minimal discomfort.
How long does it take to get results?
Results usually become available within a few days to a week.
Can the test detect thyroid cancer?
No, it primarily assesses thyroid function, not structural abnormalities.
Are there risks associated with the test?
Minimal risks related to blood draw, such as bruising or infection.
How often is the test repeated?
Repeat testing depends on initial results and clinical context, as advised by a healthcare provider.
Can I eat before the test?
Follow healthcare provider instructions; some cases may require fasting.
Does the test require hospitalization?
No, it's typically an outpatient procedure.
Can the test be done during pregnancy?
Pregnancy may affect test results; discuss with a healthcare provider.
How does it differ from a standard TSH test?
It measures the pituitary's response to T4 suppression, providing additional diagnostic insight.
Is the test covered by Malaysian health insurance?
Coverage varies; check with your insurance provider.
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