Summary
Definition
History and exam
Other diagnostic factors
- positive Romberg test
- Fukuda stepping test
- bilateral symptoms
- nystagmus
- tandem walk
Risk factors
- recent viral infection
- genetic predisposition
- autoimmune disease
- increasing age
Diagnostic tests
1st tests to order
- pure-tone air and bone conduction with masking
- speech audiometry
- tympanometry/immittance/stapedial reflex levels
- otoacoustic emissions (OAE)
Tests to consider
- electrocochleography
- electronystagmography
- rotary chair test
- vestibular-evoked myogenic potential (VEMP)
- MRI of internal auditory canals
- thyroid function tests
- Lyme disease and syphilis serology
- antinuclear antibody
- antineutrophil cytoplasmic antibody
- rheumatoid factor
Treatment algorithm
Contributors
Authors
Soha N. Ghossaini, MD, FACS

Otology-Neurotology
Ear Nose and Throat Associates of New York
New York
NY
Disclosures
SNG declares that she has no competing interests.
Acknowledgements
Dr Ghossaini would like to gratefully acknowledge the late Professor Maurice H. Miller, a previous contributor to this topic. MHM declared that he had no competing interests.
Peer reviewers
Steven D. Rauch, MD
Associate Professor of Otology and Laryngology
Harvard Medical School
Boston
MA
Disclosures
SDR declares that he has no competing interests.
Christopher J. Linstrom, MD
Professor
Otolaryngology/Head and Neck Surgery
The New York Eye and Ear Infirmary
Surgeon Director
New York
NY
Disclosures
CJL declares that he has no competing interests.
Peter Rea, MA, BM BCh, FRCS(ORL-HNS)
Consultant ENT Surgeon
Leicester Royal Infirmary
Leicester
UK
Disclosures
PR declares that he has no competing interests.
Doris Eva Bamiou, MD, MSc, PhD
Clinical Senior Lecturer & Consultant in Audiovestibular Medicine
Ear Institute
University College London
London
UK
Disclosures
DEB declares that she has no competing interests.
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