Vertigo Summary

Amer Amen, FRCS(Eng), DLO
Consultant ENT & Head and Neck Surgeon
PAH Health Trust

A short bullet point summary of Vertigo.

Vertigo

      The vestibular systems depend on

            The proprioception or somatosensors

            Vision

            Labyrinth

      All the inputs from these three groups

            Pass to the Brain stem and Cerebellum

            Response pass back to muscles that maintain posture and eye position

            Cerebellum ensure smooth co-ordinated response

      Management of vertigo

      History

      First is there is a spinning feelings

            Vestibular disease

            The patient or the surrounding  is spinning

            Any change in hearing

      Light-headedness and vague symptoms

            Related to general medical conditions

      Peripheral vestibular problem are

            Sudden onset

      Central Vestibular disorders are

            Gradual onset of continual imbalance

            Precipitating factors

            Looking up or turning the head

            Vertebra vascular basilar insufficiency

      On lying down

            Benign positional paroxysmal vertigo

            Usually last 30 - 40 seconds

      Predisposing Factors

      Upper respiratory tract infection

            Labyrinthitis

            viral or bacterial

      Trauma

      Drugs

      Associated symptoms

            Fluctuating hearing

            Tinnitus

            Feeling sick with or without vomiting

            Fullness in the ear

            About 24 hour duration

            Meniere's disease (inner ear's hydrop)

      Labyrinthitis

            Deafness

                  Recovers in viral

                  Permanent in bacterial

            Sever vertigo

            Nausea with vomiting

            Lasting many days

      Past or present history of middle ear infection

            Need urgent investigation

            May need urgent surgical interference

            C S O M ( attico antral disease)

      Facial palsy

            Complicated Suppurative otitis media

            Acoustic neuroma

            Herpes zoster

      Central vestibular problems

            Other cranial nerve involvement

            Ataxia

      Clinical examination

            ENT

            General medical

            Full neurological

      ENT

            Ear , Nose, Throat,

            Look for Nystagmus

            Romberg's sign

                  Positive in CNS

                        Cerebellum

            Corneal reflex

                  Reduced

                        Acoustic neuroma

                        CPA tumour

      Other test

            Positional test (Hallpike test)

            Gait ( eye closed and open)

            Tuning fork test

                  Rinne's

                  Weber's

                  ABC

      Investigation

            Audiological

                  Pure tone audiometry

                  Tympanogram

                  Evoked response audiometry

      Investigation

            Vestibular

            Caloric

            Rotation test

            Optokinetic

      Radiological

            MRI scan

      General investigation

            Diabetes

            Thyroid

            Serum lipids

            Serology for syphilis

      Causes of Vertigo

            Non vestibular

            Vestibular

                  Peripheral

                  Central

      Non vestibular

            Cardiovascular system

                  Hypertensive cardiovascular disease

                  Postural hypotension

                  Cardiac arrhythmia

      Non vestibular

            Metabolic

            Diabetes

            Thyroid diseases

            Hyperlipidaemia

      Non vestibular

            Musculo skeletal disorder

      Non vestibular

            Ocular system

            Glaucoma

            Ocular muscle disease

      Non vestibular

            Non organic symptoms

      Vestibular

            Peripheral vestibular

            Labyrinthitis

            Menier's disease

            Vestibular Neuronitis

            Benign positional vertigo

      Central causes

            Multiple  Sclerosis

            Cerebrovascular disease

            Tumour of posterior fossa

                  acoustic neuroma

                  Metastasis ( intra cranial)

                  Cerebellar gliomata

      Other central causes

            Migrain

            Epilepsy

            Degenerative process

                  Syringobulbia

                  Basal ganglion disease

            Drug intoxication

            Psychogenic

      Summary

      In severe vertigo

            Admit the patient

            Rehydration

            Vestibular sedative

      Positional vertigo

            avoid the critical position

            Vestibular sedative at bed time

            Cinnarazine

            or Prochlorperazine

      Meniers

            Vestibular sedative

            Mild diuretic

            +_ Betahistine

            avoid excessive fluid or salt

      Vertigo in patient taking HRT

            Treat as menier's

      Avoid full dose of vestibular sedative

            patient will feel drowsy from the drug.

      Physiotherapy

            Cawthorne & Cooksey exercises

      I usually limit the investigation to

            Audiogram

            MRI scan in asymmetrical deafness

            Treat symptom

      If no response then do

            Full investigation for vertigo

Written by Amer Amen FRCS (Eng) DLo