Dizziness classification

Dizziness Microchapters
Home
Patient Information
Overview
Historical Perspective
Classification
Pathophysiology
Causes
Differentiating Dizziness from other Diseases
Epidemiology and Demographics
Risk Factors
Screening
Natural History, Complications and Prognosis
Diagnosis
Diagnostic Study of Choice
History and Symptoms
Physical Examination
Laboratory Findings
Electrocardiogram
X-ray
Echocardiography and Ultrasound
CT scan
MRI
Other Imaging Findings
Other Diagnostic Studies
Treatment
Medical Therapy
Interventions
Surgery
Primary Prevention
Secondary Prevention
Cost-Effectiveness of Therapy
Future or Investigational Therapies
Case Studies
Case #1
Dizziness classification On the Web
Most recent articles
Most cited articles
Review articles
CME Programs
Powerpoint slides
Images
American Roentgen Ray Society Images of Dizziness classification All Images X-rays Echo & Ultrasound CT Images MRI
Ongoing Trials at Clinical Trials.gov
US National Guidelines Clearinghouse
NICE Guidance
FDA on Dizziness classification
CDC on Dizziness classification
Dizziness classification in the news
Blogs on Dizziness classification
Directions to Hospitals Treating Dizziness
Risk calculators and risk factors for Dizziness classification

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Fatimo Biobaku M.B.B.S [2] Norina Usman, M.B.B.S[3]

Overview

Based on the symptoms, dizziness may be classified into vertigo, presyncope, disequilibrium, lightheadedness.

Classification

Dizziness may be classified into subtypes based on the symptoms:

Classification of Dizziness
Type of Dizziness	Description	Origin of Disorder
Type I Dizziness (Vertigo)	Rotational/spinning sensation Often instantaneous Oscillopsia may occur Often accompanied by nausea, vomiting, and a staggering gait	Vestibular system disorder (Peripheral OR Central)
Type II Dizziness (Impending faint/Presyncope)	Sensation of impending faint/loss of consciousness Pallor, dimness of vision, roaring in the ears, and diaphoresis may occur Recovery upon assuming the recumbent position is common	Non Vestibular system disorder
Type III Dizziness (Disequilibrium)	Loss of balance without an abnormal sensation in the head occurs Occurs when walking and disappears upon sitting down. Occurs as a result of a disorder of motor system control
Type IV Dizziness	Vague lightheadedness occurs It includes dizziness that cannot be identified with certainty as any of the other types