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

5.4K
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...
5.4K
Alterations in Blood Pressure01:30

Alterations in Blood Pressure

1.6K
Alterations in blood pressure, such as hypertension (high blood pressure) and hypotension (low blood pressure), significantly affect human health. Understanding these conditions' classifications, causes, and symptoms is essential for effective management and treatment.
Hypertension (High blood pressure)
Hypertension occurs when blood pressure readings consistently exceed the normal range. It is diagnosed when systolic blood pressure (the top number, indicating pressure while the heart...
1.6K
Dysrhythmias II: Classification of Tachyarrhythmias01:28

Dysrhythmias II: Classification of Tachyarrhythmias

277
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...
277
The Vestibular System01:29

The Vestibular System

42.2K
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.
42.2K
Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

128
Heart failure (HF) manifests primarily as dyspnea, fatigue, and fluid retention, resulting in peripheral and pulmonary edema. Symptoms may vary depending on which ventricle is more affected, left or right.Left-Sided Heart FailureAlso known as left ventricular failure, this condition results from the left ventricle's inability to fill or eject sufficient blood into the systemic circulation. It leads to pulmonary congestion, which occurs when the left ventricle fails to eject blood effectively...
128
Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

131
IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular...
131

You might also read

Related Articles

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

Sort by
Same author

Consensus Recommendations for Clinical Pharmacist Integration into the Acute Stroke Care Team: Endorsed by the American College of Clinical Pharmacy, Neurocritical Care Society, Society for Academic Emergency Medicine, and Society of Critical Care Medicine, and affirmed by the American Academy of Neurology.

Journal of the American College of Clinical Pharmacy : JACCP·2026
Same author

Intracranial Occlusion in Cryptogenic Stroke Is Not Predictive of Recurrent Ischemic Stroke: A Propensity-Score Matched Analysis of the Cardiac Abnormalities in Stroke Prevention and Risk of Recurrence Study.

Journal of the American Heart Association·2025
Same author

Outcomes of Patients With Embolic Stroke of Undetermined Source Treated With Antiplatelet Agents or Anticoagulation: A Multicenter Cohort Study.

Neurology·2025
Same author

Impact of Marine Microplastics on Neurologic and Functional Disabilities: A Population-Level Study.

European journal of neurology·2025
Same author

Clinically relevant findings on 24-h head CT after acute stroke therapy: The 24-h CT score.

International journal of stroke : official journal of the International Stroke Society·2024
Same author

Global Impact of the COVID-19 Pandemic on Cerebral Venous Thrombosis and Mortality.

Journal of stroke·2022

Related Experiment Video

Updated: Nov 8, 2025

Three Dimensional Vestibular Ocular Reflex Testing Using a Six Degrees of Freedom Motion Platform
10:12

Three Dimensional Vestibular Ocular Reflex Testing Using a Six Degrees of Freedom Motion Platform

Published on: May 23, 2013

16.1K

Acute Dizziness, Vertigo, and Unsteadiness.

Barbara Voetsch1, Siddharth Sehgal1

  • 1Department of Neurology, Lahey Hospital and Medical Center, 41 Mall Road, Burlington, MA 1805, USA; Tufts University School of Medicine, Burlington, MA, USA.

Neurologic Clinics
|April 26, 2021
PubMed
Summary

Dizziness in the emergency department often has benign causes but can indicate serious conditions like stroke. A focused exam and brain MRI for high-risk patients help distinguish causes.

Keywords:
Benign paroxysmal positional vertigoDizzinessHINTS examinationPosterior circulation strokeVertebrobasilar strokeVertigoVestibular neuritisVestibular syndrome

More Related Videos

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

5.5K
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

21.2K

Related Experiment Videos

Last Updated: Nov 8, 2025

Three Dimensional Vestibular Ocular Reflex Testing Using a Six Degrees of Freedom Motion Platform
10:12

Three Dimensional Vestibular Ocular Reflex Testing Using a Six Degrees of Freedom Motion Platform

Published on: May 23, 2013

16.1K
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

5.5K
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

21.2K

Area of Science:

  • Neurology
  • Emergency Medicine
  • Otolaryngology

Background:

  • Vestibular symptoms like dizziness and vertigo are frequent emergency department complaints.
  • While often benign (e.g., vestibular dysfunction, orthostatic hypotension), these symptoms can signify critical conditions such as cerebrovascular events or cardiac arrhythmias.

Purpose of the Study:

  • To outline a clinical approach for differentiating peripheral from central causes of vertigo.
  • To identify high-risk features warranting specific diagnostic investigations.

Main Methods:

  • Clinical evaluation emphasizing symptom duration and triggers.
  • Focused oculomotor and neurologic examinations.
  • Brain MRI as the primary diagnostic tool for high-risk patients.

Main Results:

  • A systematic approach can distinguish benign vestibular issues from life-threatening central causes.
  • High-risk features necessitate advanced imaging for accurate diagnosis.

Conclusions:

  • Effective differentiation of vertigo causes relies on detailed history and targeted examination.
  • Brain MRI is crucial for diagnosing central vertigo in patients with concerning clinical indicators.