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{{Vertigo}}
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==Overview==
Common causes of vertigo may include [[Ménière’s disease]], [[benign paroxysmal positional vertigo]], [[labyrinthitis]], [[vestibular neuritis]]. Less common causes of vertigo may include [[mood disorder]], [[anxiety]], and [[migraine]]. Life-threatening causes include [[brainstem]] [[ischemia]]/[[hemorrhage]], [[hypertension]] [[crisis]], [[drug]] [[overdose]], [[cyanide]] [[poisoning]].


==Causes==
==Causes==


===Common Causes===


Vertigo is usually associated with a problem in the [[inner ear]] balance mechanisms ([[vestibular system]]), in the syndrome and [[Meniere's disease]].
:*Common causes of vertigo may include:
:*


{| class="wikitable"
|+
! colspan="2" |Peripheral Vertigo Causes<ref> name="Karatas2008">{{cite journal|last1=Karatas|first1=Mehmet|title=Central Vertigo and Dizziness|journal=The Neurologist|volume=14|issue=6|year=2008|pages=355–364|issn=1074-7931|doi=10.1097/NRL.0b013e31817533a3}}</ref>
|-
![[Ménière’s disease]]
|
*Increased [[endolymph]] volume in [[semicircular canals]]. Recurrent vertigo, aural fullness, hearing loss and [[tinnitus]]
|-
![[Acoustic neuroma]]
|
*[[tinnitus]], ear pain, [[aural fullness]], [[headache]], facial weakness.
|-
![[Benign paroxysmal positional vertigo]]
|
*Dislodged [[otoliths]] stimulate vestibular sense organ. Recurrent vertigo, nausea, vomiting, [[torsional]] [[nystagmus]]
|-
![[Acute]] [[labyrinthitis]]
|
*[[Inflammation]] of [[labyrinth]]/ [[viral]] or [[bacterial]]. Temporary hearing loss, vertigo, off balance, [[tinnitus]]
|-
![[Acute]] [[vestibular neuritis]]
|
*[[Inflammation]] of [[vestibular]] nerve caused by [[viral]] [[infection]]. Vertigo, hearing intact
|-
![[Herpes Zoster Oticus]]
|
*Ear pain, [[facial palsy]], hearing loss, [[tinnitus]] vertigo herpetic eruptions of the [[auricle]] and/or [[external auditory canal]].
|-
![[Cholesteatoma]]
|
*[[Cyst]]/sac of [[keratin]] debris in middle ear. Fullness/pressure in the ear, vertigo, hearing loss, pain
|-
![[Otosclerosis]]
|
*Abnormal bone growth in the middle ear. Vertigo, [[tinnitus]] and, sensorineural hearing loss


Vertigo-like symptoms may also appear as [[paraneoplastic syndrome]] (PNS) in the form of [[opsoclonus myoclonus syndrome]], a multi-faceted neurological disorder associated with many forms of incipient cancer lesions or viruses. Vertigo is typically classified into one of two categories depending on the location of the damaged vestibular pathway. These are peripheral or central vertigo. Each category has a distinct set of characteristics and associated findings.
|+
! colspan="2" |Central Vertigo Causes<ref name="Kerber2009">{{cite journal|last1=Kerber|first1=Kevin A.|title=Vertigo and Dizziness in the Emergency Department|journal=Emergency Medicine Clinics of North America|volume=27|issue=1|year=2009|pages=39–50|issn=07338627|doi=10.1016/j.emc.2008.09.002}}</ref>
|-
![[Brainstem]] [[Stroke]]
|
*Vertigo, imbalance, double vision, slurred speech, and altered [[consciousness]].
|-
![[Vestibular]] [[Migraine]]
|
*Mostly unilateral severe throbbing [[headache]], vertigo lasting minutes to hours, sensitivity to motion/light/smell/noise, [[nausea]], [[vomiting]], imbalance.
|-
![[Multiple Sclerosis]]
|
*Vertigo may accompany other symptoms like vision problem, fatigue, [[numbness]]/[[tingling]], limited mobility, bladder/bowel/speech/swallowing impairment.
|-
![[Cerebellopontine angle]] [[tumors]]
|
*[[Meningioma]] or [[schwannoma]] in [[cerebellopontine]] angle can cause vertigo due to pressure on [[vestibular]] [[nerve]].
|-
![[Lateral medullary syndrome]]
|
*Results from ischemia in the lateral part of the [[brainstem]]([[medulla oblongata]]). Associated with [[ataxia]], [[nystagmus]], vertigo, [[dysphagia]], [[dysarthria]].
|-
![[Chiari malformation]]
|
*Extension of [[brainstem]] into [[spinal canal]]. Associated with [[numbness]]/[[tingling]] of hands and feet, [[dysphagia]], vertigo, unsteady [[gait]], hoarseness.


Vertigo can also occur after long flights or boat journeys where the mind gets used to turbulence, resulting in a person's feeling as if he is moving up and down. This usually subsides after a few days. Vertigo can also occur when exposed to high levels of sound pressure rattling the inner ear in which throwing off ones balance and others.
|+
! colspan="2" |Other Causes
|-
!Medication induced
|
*[[Aminoglycosides]], [[anticonvulsants]]([[phenytoin]]), [[anti-depressants]]([[tricyclic antidepressants]], [[monoamine oxidase]]), [[antihypertensives]], [[diuretics]] ([[furosemide]]), [[barbiturates]], [[cocaine]], [[nitroglycerin]], [[salicylates]]
|-
![[Psychogenic]]
|
*Mood, [[anxiety]], or [[alcohol]] abuse disorders
|}<br />


''' Distinguish cause of vertigo based on: '''
===Less Common Causes===
::* Time course
::* Duration
::* Recurrence
* Lasting a day or longer
*:* Vestibular neuronitis
*:*:* Onset over hours, peaks in first day, improves within days
*:*:* May recur episodically for weeks to months
*:* Vertebrobasilar ischemia with labyrinth infarct
*:*:* Abrupt onset, improves within 1 week
*:*:* Symptomss resolve within weeks to months
*:* Brain-stem stroke:  usually other symptoms vertebrobasilar ischemia
*:* Inferior cerebellar infarct/bleed:  similar symptoms/time course to vestibular neuritis
*:* Multiple sclerosis:  vestibular symptoms evolve over hours to days
* Lasting minutes to hours
*:* Meniere’s disease:  episodic/recurrent
*:* Vertebrobasilar transient ischemic attack (TIA):  typically lasts < 30 minutes, may recur
*:* Migraine Headache:  episodic/recurrent
*:* Perilymph fistula:  episodic; precipitated by exertional straining or change in air pressure
* Lasting seconds
*:* Benign paroxysmal positional vertigo (BPPV):  usually lasts < 1 minute
''' Alternative anatomic classification:  central vs. peripheral '''
* Central (20%):
*:* Caused by damage to vestibular structures in brainstem or cerebellum
*:* Associated with other brainstem deficits
*:* Vertigo and nystagmus can be bidirectional or vertical
*:* Vertebrobasilar insufficiency: 
*:*:* Accounts for ½ of central causes
*:*:* Brainstem or cerebellar territory (anterior inferior cerebellar artery (AICA), posterior inferior cerebellar artery (PICA)) -> transient ischemic attack (TIA) or [[Ddx:Cerebrovascular Accident|cerebrovascular accident]] (CVA)
*:*:* Associated diplopia, dysarthria, dysphagia, hemiparesis, etc.
*:*:* Cerebellar infarct may present with isolated vertigo
*:*:* Can have pontine lacunes, labyrinthine infarcts
*:* Multiple sclerosis: associated brainstem symptoms may be subtle (facial numbness)
*:*:* Vertiginous symptoms may be sudden, transient, recurrent or persistent
*:* Migraine: vertigo precedes headache and may last afterward
*:*:* Atypical form of migraine with aura -> may respond to migraine therapy
*:* Drugs
*:*:* Sedatives, anticonvulsants may cause central vertigo in high/excess doses
*:*:* Anticonvulsants in prescription doses may cause nystagmus (phenytoin, carbamazepine)
* Peripheral (80%):
*:* Caused by damage to vestibular labyrinth, vestibular nerve
*:* Associated tinnitus, hearing loss if auditory component of CN VIII affected
*:* Vertigo and nystagmus are unidirectional, and not vertical
*:* BPPV
*:*:* Accounts for more than ½ of cases peripheral vestibular dysfunction
*:*:* Common in the elderly (patients usually > 60)
*:*:* Episodes of sudden onset, short duration -> condition often remits in 6 months
*:*:* Mechanism = stimulation of labyrinth by debris in posterior semicircular canal
*:* Vestibular neuronitis
*:*:* Accounts for ¼ of cases peripheral vestibular dysfunction
*:*:* Isolated vertigo due to viral infection involving labyrinth (after URI)
*:* Acute labyrinthitis
*:*:* Viral involvement of cochlea and labyrinth after upper respiratory infection (URI)
*:*:* Vertigo associated with tinnitus and hearing loss
*:*:* symtpoms resolve completely within 3-6 weeks
*:* Meniere’s disease
*:*:* Idiopathic endolymphatic hydrops -> damage to hair cells
*:*:* Tinnitus, ear pressure and hearing loss associated with vertigo
*:*:* Paroxysmal episodes lasting minutes to hours
*:*:* Frequency of episodes waxes and wanes over time
*:*:* Hearing loss can become permanent
*:* Acoustic neuroma
*:*:* Benign tumor, but can cause brainstem compression if unprescribed
*:*:* Retrocochlear hearing loss, tinnitus, vague dizziness
*:*:* Very gradual symptom onset with progressive asymmetric hearing loss
*:*:* Vertigo not prominent because gradual time course allows central nervous system adaptation
*:* Ototoxins: hearing impairment usually >> vestibular symptoms
*:*:* Gentamicin, streptamicin most injurious to vestibular portion of CN VIII


*[[Mood disorder]]<ref name="BrantbergTrees2009">{{cite journal|last1=Brantberg|first1=Krister|last2=Trees|first2=Natalie|last3=Baloh|first3=Robert W.|title=Migraine-associated vertigo|journal=Acta Oto-Laryngologica|volume=125|issue=3|year=2009|pages=276–279|issn=0001-6489|doi=10.1080/00016480510003165}}</ref><ref name="BalabanJacob2001">{{cite journal|last1=Balaban|first1=Carey D.|last2=Jacob|first2=Rolf G.|title=Background and history of the interface between anxiety and vertigo|journal=Journal of Anxiety Disorders|volume=15|issue=1-2|year=2001|pages=27–51|issn=08876185|doi=10.1016/S0887-6185(00)00041-4}}</ref>
*[[Anxiety]]
*[[Migraine]]
*
<br />
==References==
==References==
{{reflist|2}}
{{Reflist|2}}
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Latest revision as of 20:02, 20 January 2021

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Zehra Malik, M.B.B.S[2]

Overview

Common causes of vertigo may include Ménière’s disease, benign paroxysmal positional vertigo, labyrinthitis, vestibular neuritis. Less common causes of vertigo may include mood disorder, anxiety, and migraine. Life-threatening causes include brainstem ischemia/hemorrhage, hypertension crisis, drug overdose, cyanide poisoning.

Causes

Common Causes

  • Common causes of vertigo may include:
Peripheral Vertigo Causes[1]
Ménière’s disease
Acoustic neuroma
Benign paroxysmal positional vertigo
Acute labyrinthitis
Acute vestibular neuritis
Herpes Zoster Oticus
Cholesteatoma
  • Cyst/sac of keratin debris in middle ear. Fullness/pressure in the ear, vertigo, hearing loss, pain
Otosclerosis
  • Abnormal bone growth in the middle ear. Vertigo, tinnitus and, sensorineural hearing loss
Central Vertigo Causes[2]
Brainstem Stroke
  • Vertigo, imbalance, double vision, slurred speech, and altered consciousness.
Vestibular Migraine
  • Mostly unilateral severe throbbing headache, vertigo lasting minutes to hours, sensitivity to motion/light/smell/noise, nausea, vomiting, imbalance.
Multiple Sclerosis
  • Vertigo may accompany other symptoms like vision problem, fatigue, numbness/tingling, limited mobility, bladder/bowel/speech/swallowing impairment.
Cerebellopontine angle tumors
Lateral medullary syndrome
Chiari malformation
Other Causes
Medication induced
Psychogenic


Less Common Causes


References

  1. ↑ name="Karatas2008">Karatas, Mehmet (2008). "Central Vertigo and Dizziness". The Neurologist. 14 (6): 355–364. doi:10.1097/NRL.0b013e31817533a3. ISSN 1074-7931.
  2. ↑ Kerber, Kevin A. (2009). "Vertigo and Dizziness in the Emergency Department". Emergency Medicine Clinics of North America. 27 (1): 39–50. doi:10.1016/j.emc.2008.09.002. ISSN 0733-8627.
  3. ↑ Brantberg, Krister; Trees, Natalie; Baloh, Robert W. (2009). "Migraine-associated vertigo". Acta Oto-Laryngologica. 125 (3): 276–279. doi:10.1080/00016480510003165. ISSN 0001-6489.
  4. ↑ Balaban, Carey D.; Jacob, Rolf G. (2001). "Background and history of the interface between anxiety and vertigo". Journal of Anxiety Disorders. 15 (1–2): 27–51. doi:10.1016/S0887-6185(00)00041-4. ISSN 0887-6185.

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