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Related Concept Videos

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...
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...
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...
Chronic Kidney Disease II: Clinical Manifestations01:24

Chronic Kidney Disease II: Clinical Manifestations

Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...

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Related Experiment Video

Updated: Jul 15, 2026

Analyses of Proteinuria, Renal Infiltration of Leukocytes, and Renal Deposition of Proteins in Lupus-prone MRL/lpr Mice
09:43

Analyses of Proteinuria, Renal Infiltration of Leukocytes, and Renal Deposition of Proteins in Lupus-prone MRL/lpr Mice

Published on: June 8, 2022

[Lupus nephritis and hypothyroidism].

S Anaya, M D Sánchez de la Nieta, J Blanco

    Nefrologia : Publicacion Oficial De La Sociedad Espanola Nefrologia
    |April 4, 2007
    PubMed
    Summary

    Symptomatic hypothyroidism can mimic a lupus flare in patients with systemic lupus erythematosus (SLE) and inactive kidney disease. This highlights the importance of considering thyroid function in SLE patients presenting with worsening symptoms.

    Area of Science:

    • Nephrology
    • Endocrinology
    • Rheumatology

    Background:

    • Systemic lupus erythematosus (SLE) can affect multiple organs, including the kidneys.
    • Thyroid dysfunction is a known comorbidity that can influence SLE manifestations.
    • Renal involvement in SLE requires careful monitoring and management.

    Observation:

    • A patient with SLE and previously inactive renal disease presented with symptoms mimicking a lupus flare.
    • The patient was also diagnosed with symptomatic hypothyroidism.
    • This clinical presentation raised diagnostic challenges regarding the cause of the patient's symptoms.

    Findings:

    • The patient's symptoms were primarily attributed to severe hypothyroidism rather than an active lupus flare.
    • Thyroid disease can present with constitutional symptoms that overlap with SLE activity.

    Related Experiment Videos

    Last Updated: Jul 15, 2026

    Analyses of Proteinuria, Renal Infiltration of Leukocytes, and Renal Deposition of Proteins in Lupus-prone MRL/lpr Mice
    09:43

    Analyses of Proteinuria, Renal Infiltration of Leukocytes, and Renal Deposition of Proteins in Lupus-prone MRL/lpr Mice

    Published on: June 8, 2022

  • Prompt diagnosis and management of hypothyroidism were crucial in resolving the patient's clinical picture.

    • Implications:

    • Clinicians should consider thyroid dysfunction in the differential diagnosis of patients with SLE experiencing new or worsening symptoms.
    • Assessing thyroid function is essential for accurate diagnosis and effective management in SLE patients.
    • Understanding the interplay between endocrine disorders and autoimmune diseases can improve patient outcomes.