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Related Concept Videos

Equilibrium and Balance01:15

Equilibrium and Balance

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...
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Dysrhythmias II: Classification of Tachyarrhythmias

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...
The Vestibular System01:29

The Vestibular System

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.
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Pathophysiology of Vomiting

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Dysrhythmias III: Characteristics of Dysrhythmias

Dysrhythmias, also known as arrhythmias, are irregular heart rhythms that result from abnormal electrical activity in the heart, affecting its ability to circulate blood efficiently. Tachyarrhythmias, a subset of dysrhythmias, are characterized by abnormally fast heart rates exceeding 100 beats per minute. Here are some types of tachyarrhythmias with their distinct ECG features:Sinus Tachycardia:Sinus tachycardia presents a regular heart rhythm with an increased rate of 101-180 beats per minute.
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Dysrhythmias V: Evaluating Dysrhythmias

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Related Experiment Video

Updated: Jun 19, 2026

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
07:24

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane

Published on: August 22, 2025

Vertigo presentations in the emergency department.

Kevin A Kerber1

  • 1Department of Neurology, University of Michigan Health System, Ann Arbor, MI 48109-0322, USA. kakerber@umich.edu

Seminars in Neurology
|October 17, 2009
PubMed
Summary

Vertigo diagnosis in the emergency department can be tricky. This article highlights key bedside examination findings to identify benign peripheral vertigo and rule out serious causes like stroke.

Area of Science:

  • Neurology
  • Emergency Medicine
  • Otolaryngology

Background:

  • Vertigo is a frequent emergency department complaint.
  • Differentiating benign peripheral vertigo from central causes like stroke is critical.
  • Benign peripheral vestibular disorders often present with characteristic clinical features.

Purpose of the Study:

  • To outline a diagnostic strategy for vertigo in the emergency department.
  • To emphasize key bedside examination maneuvers for diagnosing peripheral vestibular disorders.
  • To provide a method for managing vertigo patients effectively.

Main Methods:

  • Focus on characteristic features of common benign peripheral vestibular disorders.
  • Systematic bedside examination to "rule-in" peripheral causes.

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Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
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  • Clinical differentiation from central vestibular disorders, including stroke.
  • Main Results:

    • Bedside diagnosis of specific peripheral vestibular disorders is feasible.
    • Characteristic features aid in distinguishing benign from sinister vertigo causes.
    • Effective management strategies can be implemented based on bedside findings.

    Conclusions:

    • A thorough bedside examination is paramount for accurate vertigo diagnosis in the ED.
    • Identifying a specific peripheral vestibular disorder effectively rules out central causes.
    • This approach facilitates confident management of emergency department vertigo presentations.