Endocrine Disorders: Evaluation and Management

  • Author: Todd T. Brown, MD (More Info)
  • Editors in Chief: Daniel R. Kuritzkes, MD; Joseph J. Eron, Jr., MD
  • Last Reviewed: 11/14/16 (What's New)

Summary

    Thyrotropin
    • TSH assays with a limit of detection of < 0.02 mU/L are used to identify most cases of hypothyroidism and hyperthyroidism[Dayan 2001]
    • Current guidelines recommend obtaining measurements of free T4 as well as TSH in rare circumstances, such as when pituitary or hypothalamic disease is suspected (Management Guidelines)[Thyroid Dysfunction Guidelines]
      • Abnormal T4 aids in diagnosis of primary hypothyroidism, in which TSH is also elevated, and central hypothyroidism or thyroid hormone resistance, where TSH levels are normal or low
    T4
      T3

      Action required

      Keywords: Endocrine Disorders

      ©2020 Clinical Care Options, LLC. All Rights Reserved.

      The materials published via inPractice® reflect the views of the reviewers or authors of the material, not those of Clinical Care Options, LLC, the accredited provider, or the companies providing educational grants. The materials may discuss uses and dosages for therapeutic products that have not been approved by the United States Food and Drug Administration. A qualified healthcare professional should be consulted before using any therapeutic product discussed. Readers should verify all information and data before treating patients or using any therapies described in these materials.