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

Equilibrium and Balance01:15

Equilibrium and Balance

5.1K
The inner ear assumes dual functionalities of auditory perception and equilibrium maintenance. The vestibule is the organ responsible for balance. This organ contains mechanoreceptors, specifically hair cells, endowed with stereocilia, which aid in deciphering information regarding the position and motion of our heads. Two intrinsic components, the utricle and saccule, help perceive head position, while the semicircular canals track head movement. Neurological messages initiated in the...
5.1K
The Vestibular System01:29

The Vestibular System

40.2K
The vestibular system is a set of inner ear structures that provide a sense of balance and spatial orientation. This system is comprised of structures within the labyrinth of the inner ear, including the cochlea and two otolith organs—the utricle and saccule. The labyrinth also contains three semicircular canals—superior, posterior, and horizontal—that are oriented on different planes.
40.2K
Dysrhythmias II: Classification of Tachyarrhythmias01:28

Dysrhythmias II: Classification of Tachyarrhythmias

142
Tachyarrhythmias are a type of dysrhythmia where the heart rate exceeds 100 beats per minute. Here are some common types of tachyarrhythmias:Sinus TachycardiaSinus tachycardia originates from increased impulses from the sinus node, leading to an elevated heart rate. It is often triggered by stress, fever, or exercise.Patients may experience palpitations, a sensation of a racing heart, dizziness, and chest discomfort.Causes and Risk Factors: Common causes include physical exertion, emotional...
142
Pathophysiology of Vomiting01:22

Pathophysiology of Vomiting

1.2K
Vomiting is a complex physiological response to expel harmful or irritating substances from the body. It's a defensive mechanism triggered by stimuli like poisons, microbial toxins, cytotoxic drugs, and mechanical abdominal distension. The process is centrally coordinated by the vomiting (or emetic) center located in the medulla of the brainstem. This area, rich in muscarinic M1, histamine H1, neurokinin 1 (NK1), and serotonin 5-HT3 receptors, coordinates the act of vomiting through...
1.2K
Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

1.6K
The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
1.6K
Major Somatic Sensory Pathways01:28

Major Somatic Sensory Pathways

1.3K
Sensory impulses related to touch, pressure, vibration, and proprioception from various body parts, such as the limbs, trunk, neck, and posterior head, travel to the cerebral cortex through the posterior column-medial lemniscus pathway. The pathway’s name derives from the two white-matter tracts that convey the impulses: the spinal cord's posterior column and the brainstem's medial lemniscus. First-order sensory neurons extend their axons into the spinal cord, forming the...
1.3K

You might also read

Related Articles

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

Sort by
Same author

Revisiting central positional vertigo and nystagmus through the velocity-storage mechanism.

Journal of neurology·2026
Same author

Positional Elliptical Pendular Nystagmus in Inferior Olivary Pseudohypertrophy.

Journal of clinical neurology (Seoul, Korea)·2026
Same author

Unidirectional Palsy of Torsional Saccades in Ataxia Associated with Anti-GAD Antibody.

Cerebellum (London, England)·2026
Same author

Therapeutic efficacy of nimodipine and topiramate on migraine and vestibular migraine; A prospective multicenter open-label study.

PloS one·2026
Same author

Delayed Recovery From Radiation-Induced Oculomotor Nerve Palsy.

Journal of clinical neurology (Seoul, Korea)·2026
Same author

Possible Vestibulocerebellar Control of Posterior Canal Afferents: Implications From Central Positional Vertigo and Nystagmus.

Journal of clinical neurology (Seoul, Korea)·2026
Same journal

Movement disorders and Parkinson's disease: collaborative and interdisciplinary research to advance understanding of neural circuit dysfunction, pathophysiology, and care: new horizons in technology, neuroimaging, neurophysiology, and genetics toward personalized medicine.

Current opinion in neurology·2026
Same journal

Editorial introduction.

Current opinion in neurology·2026
Same journal

Multimodal mapping of balance dysfunction in Parkinson's disease: a consensus roadmap for research and intervention.

Current opinion in neurology·2026
Same journal

Tourette syndrome: brain neurophysiology, circuit dysfunction, and neuromodulation across invasive and noninvasive approaches.

Current opinion in neurology·2026
Same journal

Dystonia: from phenotypes to genetics and therapeutic advances.

Current opinion in neurology·2026
Same journal

What can we learn from eye movements in movement disorders and Parkinson's disease?

Current opinion in neurology·2026
See all related articles

Related Experiment Video

Updated: Sep 20, 2025

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance
14:09

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance

Published on: March 21, 2013

20.9K

Vestibular syncope.

Jeong-Yoon Choi1,2, Eek-Sung Lee3, Ji-Soo Kim1,2

  • 1Dizziness Center, Seoul National University Bundang Hospital, Seongnam.

Current Opinion in Neurology
|January 9, 2024
PubMed
Summary
This summary is machine-generated.

Vestibular syncope, linked to vertigo, can cause injuries. Its mechanisms involve faulty vestibular and baroreflex interactions, often with unclear underlying causes.

More Related Videos

Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction
05:02

Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction

Published on: August 30, 2019

7.4K
Author Spotlight: Developing Low-Tech Balance Assessment Methods for Broad-Spectrum Healthcare Applications
06:28

Author Spotlight: Developing Low-Tech Balance Assessment Methods for Broad-Spectrum Healthcare Applications

Published on: September 1, 2023

5.2K

Related Experiment Videos

Last Updated: Sep 20, 2025

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance
14:09

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance

Published on: March 21, 2013

20.9K
Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction
05:02

Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction

Published on: August 30, 2019

7.4K
Author Spotlight: Developing Low-Tech Balance Assessment Methods for Broad-Spectrum Healthcare Applications
06:28

Author Spotlight: Developing Low-Tech Balance Assessment Methods for Broad-Spectrum Healthcare Applications

Published on: September 1, 2023

5.2K

Area of Science:

  • Neurology
  • Cardiology
  • Otolaryngology

Background:

  • Vestibular syncope, a condition linked to vertigo, can lead to severe injuries and recurrent episodes in a significant portion of patients.
  • While Meniere's disease and benign paroxysmal positional vertigo are common causes, the root disorders remain unidentified in over 60% of cases.
  • Existing diagnostic methods like the postictal orthostatic blood pressure test have limited utility.

Approach:

  • Review of recent clinical observations, laboratory findings, and proposed mechanisms of vestibular syncope.
  • Evaluation of vestibular function tests, including cervical vestibular-evoked myogenic potentials and video head impulse tests.
  • Analysis of the interplay between the vestibulo-sympathetic reflex and the baroreflex in syncope pathogenesis.

Key Points:

  • Vestibular disorders can trigger abnormal cardiovascular responses, including hypertension or hypotension, potentially leading to syncope.
  • Vestibular function tests may identify subtle vestibular dysfunctions contributing to the condition.
  • The pathophysiology likely involves complex interactions between the vestibulo-sympathetic and baroreflex systems, with potential central vestibular system involvement.

Conclusions:

  • Vestibular syncope is a complex condition with multifactorial causes, often involving dysregulation of autonomic cardiovascular reflexes.
  • Further research is needed to elucidate the precise mechanisms and improve diagnostic accuracy.
  • Understanding these mechanisms is crucial for managing patients prone to syncope and associated fall-related injuries.