Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Myasthenia Gravis: Diagnostic Tests01:15

Myasthenia Gravis: Diagnostic Tests

3.3K
Myasthenia gravis is an autoimmune condition affecting neuromuscular transmission, causing generalized weakness in skeletal muscles. Initial diagnoses rely on patients' signs, symptoms, and medical history. The challenge lies in distinguishing myasthenia from other muscular dystrophies. An important diagnostic feature is the significant improvement of symptoms after administering anticholinesterase inhibitors.
The edrophonium test is a diagnostic tool for myasthenia gravis. It involves...
3.3K
Graves Disease II: Pathophysiology01:24

Graves Disease II: Pathophysiology

5
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,...
5
Hyperthyroidism I: Introduction01:25

Hyperthyroidism I: Introduction

4
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...
4
Myasthenia Gravis ll: Pathophysiology01:22

Myasthenia Gravis ll: Pathophysiology

1
The disease process of myasthenia gravis begins at the neuromuscular junction, where antibodies attack key proteins needed for muscle activation. This immune reaction weakens signal transmission, leading to the characteristic muscle fatigue and weakness that define the condition.Immune-Mediated DamageIn most individuals, antibodies target acetylcholine receptors (AChRs) on the postsynaptic membrane of muscle cells. By blocking acetylcholine binding, these antibodies prevent the nerve signal...
1
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...
4
Hyperthyroidism II: Pathophysiology01:27

Hyperthyroidism II: Pathophysiology

6
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...
6

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Feeding Tube Clinic Effect on Nutrition.

Surgical laparoscopy, endoscopy & percutaneous techniques·2024
Same author

Telehealth for general surgery postoperative care.

American journal of surgery·2023
Same author

Nervous Dyspepsia (Neurasthenia Gastrica)-Its Diagnosis and Treatment, with Report of Cases.

Texas medical journal (Austin, Tex.)·2023
Same author

The Waste of Life from Cancer.

Texas medical journal (Austin, Tex.)·2023
Same author

Telehealth Follow-Up After Inguinal Hernia Repair in Veterans.

The Journal of surgical research·2023
Same author

Cadmium modulates steatosis, fibrosis, and oncogenic signaling in liver cancer cells by activating notch and AKT/mTOR pathways.

Environmental toxicology·2023
Same journal

Does taking BP medicine at night (vs morning) result in fewer cardiovascular events?

The Journal of family practice·2023
Same journal

Preventing RSV in children and adults: A vaccine update.

The Journal of family practice·2023
Same journal

Essential oils: How safe? How effective?

The Journal of family practice·2023
Same journal

51-year-old woman • History of Graves disease • General fatigue, palpitations, and hand tremors • Dx?

The Journal of family practice·2023
Same journal

Renewing the dream.

The Journal of family practice·2023
Same journal

55-year-old woman • Myalgias and progressive symmetrical proximal weakness • History of unilateral renal agenesis, type 2 diabetes, and hyperlipidemia • Dx?

The Journal of family practice·2023
See all related articles

Related Experiment Video

Updated: Apr 18, 2026

Identification and Protection of the Recurrent Laryngeal Nerve during Transoral Robotic Thyroidectomy
05:25

Identification and Protection of the Recurrent Laryngeal Nerve during Transoral Robotic Thyroidectomy

Published on: October 24, 2025

906

Hyperthyroidism · myalgia · rapidly progressing paralysis · Dx?

Brian J Pottorf1, John T Moore, Harris W Hollis

  • 1Exempla Saint Joseph Hospital, Department of Graduate Medical Education, General Surgery, Denver, CO, USA.

The Journal of Family Practice
|January 10, 2015
PubMed
Summary
This summary is machine-generated.

A young woman presented with unexplained myalgia and weakness, leading to a diagnosis of Graves' disease. Prompt medical intervention and thyroid scan confirmed the autoimmune thyroid condition.

More Related Videos

Utility of Dissociated Intrinsic Hand Muscle Atrophy in the Diagnosis of Amyotrophic Lateral Sclerosis
08:16

Utility of Dissociated Intrinsic Hand Muscle Atrophy in the Diagnosis of Amyotrophic Lateral Sclerosis

Published on: March 4, 2014

33.9K
Detection of Anti-MDA5 Autoantibodies Using HeLa Cells and Immunocytochemistry with Light Microscopy
10:55

Detection of Anti-MDA5 Autoantibodies Using HeLa Cells and Immunocytochemistry with Light Microscopy

Published on: October 31, 2025

1.1K

Related Experiment Videos

Last Updated: Apr 18, 2026

Identification and Protection of the Recurrent Laryngeal Nerve during Transoral Robotic Thyroidectomy
05:25

Identification and Protection of the Recurrent Laryngeal Nerve during Transoral Robotic Thyroidectomy

Published on: October 24, 2025

906
Utility of Dissociated Intrinsic Hand Muscle Atrophy in the Diagnosis of Amyotrophic Lateral Sclerosis
08:16

Utility of Dissociated Intrinsic Hand Muscle Atrophy in the Diagnosis of Amyotrophic Lateral Sclerosis

Published on: March 4, 2014

33.9K
Detection of Anti-MDA5 Autoantibodies Using HeLa Cells and Immunocytochemistry with Light Microscopy
10:55

Detection of Anti-MDA5 Autoantibodies Using HeLa Cells and Immunocytochemistry with Light Microscopy

Published on: October 31, 2025

1.1K

Area of Science:

  • Endocrinology
  • Internal Medicine
  • Thyroidology

Background:

  • Graves' disease is an autoimmune disorder causing hyperthyroidism.
  • Early diagnosis and management are crucial for patient outcomes.
  • Thyroid dysfunction can present with non-specific symptoms like myalgia and weakness.

Observation:

  • A 26-year-old Hispanic woman presented with acute onset myalgia and weakness.
  • Initial presentation lacked prior symptoms or relevant family history of endocrinopathies.
  • The patient was admitted and initiated on methimazole and propranolol for thyroid suppression and symptom management.

Findings:

  • Hospitalization was uneventful, lasting 6 days.
  • An outpatient thyroid scan confirmed the diagnosis of Graves' disease.
  • The patient's symptoms were attributed to undiagnosed hyperthyroidism.

Implications:

  • This case highlights the importance of considering Graves' disease in patients with unexplained myalgia and weakness.
  • Early diagnostic workup, including thyroid function tests and imaging, is essential.
  • Timely diagnosis and treatment of Graves' disease can prevent complications and improve patient prognosis.