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Related Concept Videos

Hypothyroidism II: Pathophysiology01:23

Hypothyroidism II: Pathophysiology

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Hypothyroidism is a disorder characterized by insufficient production of thyroid hormones, which regulate metabolism, energy balance, and multiple organ systems.TypesHypothyroidism is classified based on the level of dysfunction. Primary hypothyroidism results from intrinsic thyroid gland dysfunction, causing reduced hormone production despite normal or increased stimulation. Secondary hypothyroidism arises from inadequate thyroid-stimulating hormone (TSH) secretion by the pituitary. Tertiary...
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Hyperthyroidism I: Introduction01:25

Hyperthyroidism I: Introduction

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Hyperthyroidism is a type of thyrotoxicosis characterized by the thyroid gland's overproduction of the thyroid hormones triiodothyronine (T3) and thyroxine (T4). This hormone excess increases the basal metabolic rate and enhances sensitivity to catecholamines.DiagnosisDiagnosis is based on clinical features and biochemical testing. It typically shows suppressed thyroid-stimulating hormone (TSH) levels below 0.4 mIU/L, with elevated free T3 and/or T4. Additional tests, including thyroid...
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Graves Disease II: Pathophysiology01:24

Graves Disease II: Pathophysiology

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Graves’ disease is an autoimmune disorder characterized by the production of thyroid-stimulating immunoglobulins (TSI) that activate TSH receptors, leading to excessive synthesis and release of thyroid hormones (T3 and T4) and resulting in hyperthyroidism.Among all causes of hyperthyroidism, Graves’ disease is the most common and can happen at any age, though it is more frequent in women. It produces a hypermetabolic state with features such as weight loss, tachycardia, tremor,...
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Hyperthyroidism II: Pathophysiology01:27

Hyperthyroidism II: Pathophysiology

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Hyperthyroidism is a hypermetabolic state caused by elevated levels of thyroid hormones, triiodothyronine (T3) and thyroxine (T4). It results from dysregulation at the thyroid, pituitary, or immune system level and affects multiple organ systems.PathophysiologyThe most common cause of hyperthyroidism is Graves’ disease, an autoimmune disorder in which antibodies, specifically thyroid-stimulating antibodies (TSAb), a subtype of TSH receptor antibodies (TRAb), bind to and activate TSH...
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Graves' Disease I: Introduction01:28

Graves' Disease I: Introduction

4
Graves' disease is an autoimmune disorder that causes hyperthyroidism, or overactivity of the thyroid gland. It results from autoantibodies called thyroid-stimulating immunoglobulins (TSIs), which bind to thyroid-stimulating hormone (TSH) receptors, leading to overstimulation of hormone production and a hypermetabolic state.EtiologyAlthough considered idiopathic, Graves’ disease has well-established contributing factors. There is a strong genetic component, with increased prevalence...
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Synthesis and Regulation of Thyroid Hormones01:20

Synthesis and Regulation of Thyroid Hormones

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Low blood levels of the thyroid hormones — triiodothyronine (T3) and thyroxine (T4) — signal the hypothalamus to release the thyrotropin-releasing hormone (TRH). TRH then reaches the pituitary gland and stimulates the release of thyroid-stimulating hormone(TSH) into the bloodstream.
Upon reaching the thyroid gland, TSH stimulates the follicular cells' active uptake of iodide ions from the blood. The ions diffuse to the apical surface of the cells and are oxidized to iodine. The...
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Generation of a Mouse Spontaneous Autoimmune Thyroiditis Model
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Subclinical thyroid disorders.

Cynthia A Stuenkel1

  • 1From the University of California, San Diego, La Jolla, CA.

Menopause (New York, N.Y.)
|January 14, 2015
PubMed
Summary
This summary is machine-generated.

Menopause symptoms like irregular periods and fatigue can mimic thyroid issues. Recognizing subclinical thyroid disease is crucial for accurate diagnosis and management in midlife women.

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Area of Science:

  • Endocrinology
  • Women's Health
  • Reproductive Medicine

Background:

  • Menopause transition symptoms, including altered cycle length, bleeding changes, sleep disruption, fatigue, mood swings, forgetfulness, heat intolerance, and palpitations, are common in midlife women.
  • These symptoms can overlap with those of thyroid dysfunction, a prevalent condition in this demographic.
  • While overt thyroid disorders are well-understood, subclinical thyroid disease presents diagnostic and management challenges.

Purpose of the Study:

  • To highlight the overlap between menopause symptoms and thyroid dysfunction.
  • To emphasize the importance of considering thyroid evaluation in women experiencing menopausal symptoms.
  • To discuss the complexities of diagnosing and managing subclinical thyroid disease in midlife women.

Main Methods:

  • Review of existing literature on menopause symptoms and thyroid dysfunction.
  • Analysis of clinical presentations where symptoms overlap.
  • Discussion of diagnostic criteria and management strategies for subclinical thyroid disease.

Main Results:

  • Menopause symptoms frequently mimic or coexist with thyroid dysfunction, both overt and subclinical.
  • Subclinical thyroid disease, often overlooked, requires careful consideration in the differential diagnosis of menopausal complaints.
  • Accurate diagnosis necessitates distinguishing between menopausal changes and thyroid abnormalities.

Conclusions:

  • Clinicians must be vigilant in evaluating midlife women with menopausal symptoms for underlying thyroid dysfunction.
  • Subclinical thyroid disease represents a significant diagnostic challenge that requires a nuanced approach.
  • Integrated management strategies are needed to address both menopausal symptoms and thyroid health effectively.