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

Hyperthyroidism II: Pathophysiology01:27

Hyperthyroidism II: Pathophysiology

28
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...
28
Graves Disease II: Pathophysiology01:24

Graves Disease II: Pathophysiology

26
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,...
26
Graves' Disease I: Introduction01:28

Graves' Disease I: Introduction

23
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...
23
Hyperthyroidism I: Introduction01:25

Hyperthyroidism I: Introduction

30
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...
30
Diphtheria01:28

Diphtheria

175
Diphtheria is an acute, toxin-mediated infectious disease that primarily affects the upper respiratory tract. It is caused by Corynebacterium diphtheriae, a Gram-positive, pleomorphic rod that lacks spore-forming capability and exhibits a characteristic club-shaped morphology under microscopic examination. While C. diphtheriae can asymptomatically colonize mucosal surfaces, clinical disease manifests only when the bacterial strain is lysogenized by a specific β-corynephage. This phage...
175
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

You might also read

Related Articles

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

Sort by
Same author

A Clinical-Anatomical-Radiological Study of Extraperitoneal Spaces: A Case Series.

Cureus·2024
Same author

Signet-Ring Cell Carcinoma Presenting as Colocolic Intussusception.

ACG case reports journal·2016
Same author

Chronic Pain after Inguinal Hernia Repair.

International scholarly research notices·2016
Same author

Attitudes and Practices of Surgeons towards Spilled Gallstones during Laparoscopic Cholecystectomy: An Observational Study.

International scholarly research notices·2016
Same author

Breast Tuberculosis.

The Indian journal of surgery·2016
Same author

Imaging of focal autoimmune pancreatitis and differentiating it from pancreatic cancer.

ISRN radiology·2014

Related Experiment Video

Updated: May 1, 2026

Investigation of the Electrophysiological and Thermographic Safety Parameters of Surgical Energy Devices During Thyroid and Parathyroid Surgery in a Porcine Model
11:46

Investigation of the Electrophysiological and Thermographic Safety Parameters of Surgical Energy Devices During Thyroid and Parathyroid Surgery in a Porcine Model

Published on: October 13, 2022

3.6K

Thyrotoxic periodic paralysis: clinical challenges.

Abhishek Vijayakumar1, Giridhar Ashwath2, Durganna Thimmappa2

  • 1Department of General Surgery, Victoria Hospital, Bangalore Medical College and Research Institute, Bangalore 560002, India ; #128 Vijay Doctors Colony, Konanakunte, Bangalore, Karnataka 560062, India.

Journal of Thyroid Research
|April 4, 2014
PubMed
Summary
This summary is machine-generated.

Thyrotoxic periodic paralysis (TPP) causes sudden hypokalemia and paralysis, often in Asian men, linked to hyperthyroidism and genetic factors. Early diagnosis and treatment with potassium and beta-blockers are crucial for managing TPP attacks.

More Related Videos

Intravenous Endotoxin Challenge in Healthy Humans: An Experimental Platform to Investigate and Modulate Systemic Inflammation
07:48

Intravenous Endotoxin Challenge in Healthy Humans: An Experimental Platform to Investigate and Modulate Systemic Inflammation

Published on: May 16, 2016

13.9K
Intra-Operative Neural Monitoring of Thyroid Surgery in a Porcine Model
08:16

Intra-Operative Neural Monitoring of Thyroid Surgery in a Porcine Model

Published on: February 11, 2019

19.9K

Related Experiment Videos

Last Updated: May 1, 2026

Investigation of the Electrophysiological and Thermographic Safety Parameters of Surgical Energy Devices During Thyroid and Parathyroid Surgery in a Porcine Model
11:46

Investigation of the Electrophysiological and Thermographic Safety Parameters of Surgical Energy Devices During Thyroid and Parathyroid Surgery in a Porcine Model

Published on: October 13, 2022

3.6K
Intravenous Endotoxin Challenge in Healthy Humans: An Experimental Platform to Investigate and Modulate Systemic Inflammation
07:48

Intravenous Endotoxin Challenge in Healthy Humans: An Experimental Platform to Investigate and Modulate Systemic Inflammation

Published on: May 16, 2016

13.9K
Intra-Operative Neural Monitoring of Thyroid Surgery in a Porcine Model
08:16

Intra-Operative Neural Monitoring of Thyroid Surgery in a Porcine Model

Published on: February 11, 2019

19.9K

Area of Science:

  • Endocrinology
  • Genetics
  • Neurology

Background:

  • Thyrotoxic periodic paralysis (TPP) is a rare neuromuscular disorder characterized by episodic hypokalemia and paralysis.
  • It is predominantly observed in Asian men and is secondary to thyrotoxicosis, often with subtle hyperthyroidism.
  • Triggers include high-carbohydrate meals, exercise, stress, and steroid use, complicating early diagnosis.

Purpose of the Study:

  • To elucidate the pathogenesis of thyrotoxic periodic paralysis.
  • To highlight the role of genetic mutations in the Kir2.6 channel.
  • To emphasize diagnostic criteria and management strategies for TPP.

Main Methods:

  • Review of existing literature on TPP.
  • Analysis of genetic factors, specifically Kir2.6 channel mutations.
  • Examination of biochemical and electrocardiographic findings in TPP patients.

Main Results:

  • Evidence suggests loss-of-function mutations in the Kir2.6 channel contribute to TPP pathogenesis.
  • Increased Na(+)/K(+) ATPase activity may exacerbate hypokalemia.
  • Characteristic findings include biochemical hyperthyroidism, normal urinary potassium excretion, and specific ECG changes.

Conclusions:

  • Genetic mutations in the Kir2.6 channel play a significant role in TPP.
  • Early diagnosis is critical, supported by biochemical and ECG findings.
  • Management involves potassium supplements and nonselective beta-blockers, with careful monitoring for rebound hyperkalemia.