Thyroid Function Tests Indications and Interpretation
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Questions and Answers

Which condition is NOT generally indicated for thyroid screening?

  • Patients with chronic diabetes (correct)
  • Neonates for congenital hypothyroidism
  • Individuals with strong family history of thyroid diseases
  • Patients with suspected hyperthyroidism/hypothyroidism
  • What hormone's levels increase in primary hypothyroidism?

  • T3
  • T4
  • TSH (correct)
  • Thyroxine
  • What is the role of Thyroid Stimulating Hormone (TSH) in thyroid hormone production?

  • Stimulates the adrenal cortex
  • Inhibits release of thyroxine from the thyroid
  • Increases production and release of thyroxine (T3 and T4) (correct)
  • Increases metabolism in peripheral tissues
  • Which of the following groups should be monitored for thyroid function regularly?

    <p>Women with a history of postpartum thyroiditis</p> Signup and view all the answers

    What is one common use of thyroid function tests?

    <p>To assess thyroid hormone replacement therapy</p> Signup and view all the answers

    The indications for screening include patients with ______ disease.

    <p>autoimmune</p> Signup and view all the answers

    Thyroid function tests are performed to ______ patients suspected of having thyroid disease.

    <p>screen</p> Signup and view all the answers

    Which of these conditions is specifically linked to thyroid disease screening?

    <p>Atrial fibrillation</p> Signup and view all the answers

    One of the common reasons for assessing thyroid function is to ______ therapy.

    <p>monitor</p> Signup and view all the answers

    Thyroid stimulating hormone is secreted by the ______ pituitary gland.

    <p>anterior</p> Signup and view all the answers

    Thyroid stimulating hormone increases the production and release of ______ from the thyroid.

    <p>thyroxine</p> Signup and view all the answers

    Patients with suspected ______ or hypothyroidism are included in the indications for screening.

    <p>hyperthyroidism</p> Signup and view all the answers

    Study Notes

    Indications for Screening

    • Neonates for congenital hypothyroidism
    • Patients with autoimmune disease
    • Individuals with strong family history of thyroid diseases
    • Patients with suspected hyperthyroidism/hypothyroidism
    • Conditions linked to thyroid disease, such as atrial fibrillation or anxiety disorder

    Thyroid Function Tests

    • Used to assess true metabolic status
    • Most important test to assess function and monitor thyroid hormone replacement therapy
    • Increased TSH indicates thyroid failure, characterized by decreased T3 and T4 levels
    • Primary hypothyroidism is an example of thyroid failure

    Surveillance

    - Women with a history of postpartum thyroiditis

    - Post-neck irradiation

    - Post-destructive treatment (radioiodine or surgical) for thyrotoxicosis

    Monitoring

    • Monitoring treatment of hyperthyroidism with antithyroid drugs
    • Patients with primary hypothyroidism taking thyroxine hormone replacement therapy

    Serum Thyroid Hormones

    • Thyroid Stimulating Hormone (TSH)
    • Secreted by the anterior pituitary gland
    • Increases production and release of thyroxine (T3 and T4) from the thyroid
    • Its secretion is inhibited by high levels of thyroxine

    Indications for Screening

    • Neonates for congenital hypothyroidism
    • Patients with autoimmune disease
    • Individuals with strong family history of thyroid diseases
    • Patients with suspected hyperthyroidism/hypothyroidism
    • Conditions linked to thyroid disease, such as atrial fibrillation or anxiety disorder

    Thyroid Function Tests

    • Used to assess true metabolic status
    • Most important test to assess function and monitor thyroid hormone replacement therapy
    • Increased TSH indicates thyroid failure, characterized by decreased T3 and T4 levels
    • Primary hypothyroidism is an example of thyroid failure

    Surveillance

    - Women with a history of postpartum thyroiditis

    - Post-neck irradiation

    - Post-destructive treatment (radioiodine or surgical) for thyrotoxicosis

    Monitoring

    • Monitoring treatment of hyperthyroidism with antithyroid drugs
    • Patients with primary hypothyroidism taking thyroxine hormone replacement therapy

    Serum Thyroid Hormones

    • Thyroid Stimulating Hormone (TSH)
    • Secreted by the anterior pituitary gland
    • Increases production and release of thyroxine (T3 and T4) from the thyroid
    • Its secretion is inhibited by high levels of thyroxine

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    Description

    This quiz covers the indications for thyroid function tests, including congenital hypothyroidism, autoimmune disease, and more. It also explains the importance of the test in assessing metabolic status and monitoring thyroid hormone replacement therapy.

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