Thyroid Function Testing: A Brief Update

Introduction

April 2009

Welcome to Mayo Medical Laboratories' Hot Topics. These presentations provide short discussion of current topics and may be helpful to you in your practice.

Our presenter for this program is Dr. Stephan Grebe, Chair of the Division of Clinical Biochemistry and Immunology at Mayo Clinic. Accurate assessment of thyroid function relies on thyroid-stimulating hormone (TSH) and free thyronine (FT4). Dr. Grebe reviews the strengths and weaknesses of the currently available thyroid hormone assays.

Introduction

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Jump to section:

• Thyroid Disease
• Regulation of Thyroid Hormone Secretion
• Targets for Assessment of Thyroid Function
• Targets for Assessment of Thyroid Function
• Targets for Assessment of Thyroid Function
• Targets for Assessment of Thyroid Function: Biological Considerations
• Targets for Assessment of Thyroid Function
• Balancing It All Up - What Test to Use When
• Initial Diagnosis
• Balancing It All Up - What Test to Use When
• Balancing It All Up - What Test to Use When
• Balancing It All Up - What Test to Use When
• Balancing It All Up - What Test to Use When
• Balancing It All Up - What Test to Use When
• Balancing It All Up - What Test to Use When
• Appendix - The Key Assays
• Appendix The Key Assays-TSH
• Appendix The Key Assays-FT4
• Questions?