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Related Concept Videos

Graves' Disease I: Introduction01:28

Graves' Disease I: Introduction

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 in...
Hyperthyroidism I: Introduction01:25

Hyperthyroidism I: Introduction

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...
Graves Disease II: Pathophysiology01:24

Graves Disease II: Pathophysiology

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, and heat...
Hyperthyroidism II: Pathophysiology01:27

Hyperthyroidism II: Pathophysiology

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 receptors...
Hypothyroidism II: Pathophysiology01:23

Hypothyroidism II: Pathophysiology

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...
Goiter01:27

Goiter

Goiter refers to an abnormal enlargement of the thyroid gland that may appear as a diffuse goiter (uniform enlargement) or nodular (single or multiple nodules). Functionally, it is classified as nontoxic (normal/low hormone levels) or toxic (excess hormone production).PathophysiologyDiffuse thyroid enlargement typically results from prolonged stimulation by thyroid-stimulating hormone (TSH) or TSH-like agents, commonly seen in hypothyroidism or iodine deficiency. In contrast, in hyperthyroid...

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Related Experiment Videos

Graves hyperthyroidism and pregnancy: a clinical update.

Komal Patil-Sisodia1, Jorge H Mestman

  • 1Division of Endocrinology and Metabolism, Department of Medicine, University of Southern California, Keck School of Medicine, Los Angeles, California 90033, USA.

Endocrine Practice : Official Journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists
|October 17, 2009
PubMed
Summary

Graves

Related Experiment Videos

Area of Science:

  • Endocrinology
  • Obstetrics
  • Reproductive Medicine

Background:

  • Graves' hyperthyroidism in pregnancy presents diagnostic challenges due to overlapping symptoms with normal pregnancy physiology.
  • Effective management is crucial to mitigate risks of maternal and fetal complications.

Purpose of the Study:

  • To offer a clinical update on managing Graves' hyperthyroidism during pregnancy.
  • To emphasize the role of antithyroid drugs in treatment and monitoring.

Main Methods:

  • Literature review of English-language studies from 1929 to 2009.
  • Discussion of differential diagnosis, management strategies, and complication avoidance.

Main Results:

  • Prompt treatment with antithyroid drugs and frequent monitoring are essential for Graves' disease in pregnancy.
  • Thyroid receptor antibodies aid in predicting neonatal thyroid dysfunction; maternal thyroxine levels should be maintained within the upper normal range.
  • Postpartum thyroid evaluation is recommended due to potential recurrence of Graves' disease or postpartum thyroiditis.

Conclusions:

  • Preconception counseling and a collaborative approach between endocrinologists and obstetric teams are vital for successful pregnancies in women with Graves' hyperthyroidism.
  • Patient education on treatment complications is important.