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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...
Alterations in Blood Pressure01:30

Alterations in Blood Pressure

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 beats)...
Dysrhythmias II: Classification of Tachyarrhythmias01:28

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...
Hyperpnea and Hyperventilation01:25

Hyperpnea and Hyperventilation

Hyperventilation refers to a higher-than-normal rate and depth of breathing, often associated with anxiety attacks. This excessive breathing surpasses the body's need to expel CO2, leading to a condition known as hypocapnia - an unusually low level of carbon dioxide in the blood. Hypocapnia can constrict cerebral blood vessels, reducing blood flow to the brain, which may result in dizziness or fainting. Early signs include tingling and muscle spasms in the hands and face, caused by falling...
Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

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 tachycardia.
Disorder of Water Balance01:29

Disorder of Water Balance

Water balance disorders are medical conditions that occur when there is a deviation from the body's water volume or osmolarity, disrupting normal homeostasis and leading todehydration, hypotonic hydration, hyperhydration, edema, or water intoxication.
Dehydration
Dehydration occurs when the body loses fluids (particularly water).
Causes:
The major causes of dehydration include excessive sweating, fever, vomiting, diarrhea, and diuresis.
Signs and Symptoms:
Symptoms primarily include intense...

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

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A Prototype Head-Motion Monitoring System for In-Home Vestibular Rehabilitation Therapy.

Journal of bioengineering & biomedical science·2015
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Vestibular rehabilitation: rationale and indications.

Seminars in neurology·2013
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Dizziness and vertigo: emergencies and management.

Neurologic clinics·2012
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Efficacy of gaze stability exercises in older adults with dizziness.

Journal of neurologic physical therapy : JNPT·2010
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Nystagmus during attacks of vestibular migraine: an aid in diagnosis.

Audiology & neuro-otology·2009
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Related Experiment Video

Updated: Jun 25, 2026

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

Dizziness.

Ronald J Tusa1

  • 1Department of Neurology and Otolaryngology, Dizziness and Balance Center, Emory University, Center for Rehabilitation Medicine, Atlanta, GA 30322, USA. rtusa@emory.edu

The Medical Clinics of North America
|March 11, 2009
PubMed
Summary

Dizziness is a common and severe symptom requiring medical attention in most outpatients. This article details the causes, assessment, and management strategies for dizziness.

Area of Science:

  • Neurology
  • Internal Medicine
  • Otolaryngology

Background:

  • Dizziness is a prevalent and often severe symptom experienced by outpatients.
  • The term 'dizziness' encompasses a range of sensations with diverse underlying pathophysiologies.
  • A significant majority of outpatients with dizziness require medical intervention.

Purpose of the Study:

  • To elucidate the various causes of dizziness.
  • To outline systematic approaches for the clinical assessment of dizziness.
  • To describe effective management strategies for dizziness.

Main Methods:

  • Review of existing literature on dizziness.
  • Clinical case analysis (implied).
  • Synthesis of diagnostic and therapeutic guidelines.

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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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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

Related Experiment Videos

Last Updated: Jun 25, 2026

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

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

Main Results:

  • Dizziness presents with varied symptoms and underlying mechanisms.
  • Effective management depends on accurate diagnosis.
  • Systematic assessment is crucial for identifying the cause.

Conclusions:

  • Dizziness is a complex symptom requiring a structured diagnostic approach.
  • Understanding the specific type of dizziness is key to management.
  • Comprehensive evaluation leads to appropriate treatment and improved patient outcomes.