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Related Concept Videos

Bipolar Disorder01:30

Bipolar Disorder

Bipolar disorder is a chronic mental health condition marked by significant mood fluctuations, including episodes of mania and depression. Elevated energy levels, heightened mood or irritability, impulsive behavior, reduced sleep needs, rapid speech, racing thoughts, inflated self-esteem, and distractibility characterize mania. Individuals with bipolar disorder often alternate between depressive and manic states, with periods of emotional stability lasting an average of six months to a year.
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...
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...
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...
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 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...

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Related Experiment Videos

Association between bipolar affective disorder and thyroid dysfunction.

Vinay Narasimha Krishna1, Ravish Thunga, B Unnikrishnan

  • 1Department of Internal Medicine, Mercy Catholic Medical Center, Philadelphia (Affiliated to Drexel University College of Medicine), USA.

Asian Journal of Psychiatry
|February 6, 2013
PubMed
Summary
This summary is machine-generated.

Bipolar affective disorder is linked to thyroid dysfunction, with patients showing higher T3 hormone levels. This study found bipolar disorder patients are 2.55 times more likely to have thyroid issues.

Related Experiment Videos

Area of Science:

  • Endocrinology
  • Psychiatry
  • Clinical Medicine

Background:

  • Bipolar affective disorder (BAD) may involve thyroid function abnormalities.
  • Comprehensive thyroid assessment is crucial for mood disorders like BAD.

Purpose of the Study:

  • To investigate the association between bipolar affective disorder and thyroid dysfunction.
  • To quantify the risk of thyroid dysfunction in BAD patients.

Main Methods:

  • Cross-sectional study of 50 newly diagnosed BAD patients and 50 controls.
  • Thyroid function tests (T3, T4, TSH) were performed.
  • Bipolar Spectrum Diagnostic Scale and odds ratio were used for assessment.

Main Results:

  • 14% of BAD patients had thyroid dysfunction versus 6% in controls.
  • BAD patients had significantly higher mean T3 levels (p=0.031).
  • Odds ratio for thyroid dysfunction in BAD was 2.55.

Conclusions:

  • A significant association exists between elevated T3 and bipolar affective disorder.
  • Bipolar affective disorder patients have a 2.55-fold increased likelihood of thyroid dysfunction.