Ent Balance Flashcards

1
Q

Vertigo is.

A

Illusion of movement

Often but not always rotatory

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2
Q

How does dizziness/vertigo makes patients feel

A

Sick
Nystagmus
Can’t stand up
Dizzy

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3
Q

Nystagmus is

A

Periodic rhythmic ocular oscillation

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4
Q

Types Of nystagmus

A

Pendular- (both directions)

Jerk (fast phase and slow phase)

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5
Q

Nystagmus can be physiological or

A

Central or vestibular

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6
Q

Key features of vestibular nystagmus

A

Horizontal

Maximal in direction of gaze

Suppresses with fixation

Only goes in one direction

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7
Q

3 main diagnosis of peripheral vestibular problems

A

Vestibular
Benign paroxysmal positional vertigo
Ménière’s disease

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8
Q

3 main diagnosis of CNS problems

A
Migraine 
Brain stem infarcts 
Cerebellar infarct 
Tumours 
MS
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9
Q

Vestibular neuritis is

A

Intense episode of vertigo

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10
Q

Vestibular neuritis lasts how long

A

Single episode can last for days

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11
Q

Vestibular neuritis is often preceded

A

ByURTI

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12
Q

Vestibular neuritis features

A

Vertigo,nausea and vomiting unable to get out of bed

Present to A&E

Slow compensation

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13
Q

Vestibular neuritis other names

A

Vestibular neuronit is , labryrinthitis

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14
Q

Vestibular neuritis diagnosis

A

History, examination for nystagmus, positive thrust test

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15
Q

The head thrust test physiology

A

Vestibulao-ocular reflex keeps gaze on a target during head movement and is extremely fat

It is disrupted in a peripheral lesion

Slower pathways are used to make up for deficit

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16
Q

Management of vestibular neuritis

A

Hydration
Stop sedatives as soon as possible

Rehabilitation

17
Q

Vestibular neuritis is not likely if

A

Other cranial nerve signs

Head thrust test is normal

Nystagmus has atypical features
Associated hearing loss

18
Q

Bppv is

A

Benign paroxysmal positional vertigo

19
Q

Bppv features

A

Short episodes : seconds to minutes

Roll over then a couple of seconds later room begins to spin

Cluster of episodes will resolve with time

More common in elderly people

20
Q

Bppv treatment

A

Particle repositioning manoeuvres
Peleus
Modified semont

21
Q

Aptyical positional nystagmus can indicate

A

CNS cause

22
Q

Ménière’s disease first episode?

A

May look like vestibular neuritis

Attacks of :
Incapacitating vertigo
Unilateral tinnitus
Unilateral hearing loss
Preceded by aural fullness pressure
23
Q

Ménière’s disease attack features

A

Multiples episodes, often occurring in clusters

Episode 30. Ins - hours
Vomiting/diarrhoea
Exhausted for day

24
Q

Natural history of menieres

A

Initially fluctuating low freqhearing loss
Hearing normal between attacks

Gradual loss Of hearing

Disease burns out eventually
Some patients develop drop attacks

25
Q

Menieres pathology and diagnosis

A

Diagnosis history=
Audiometry
MRI in future

Pathology-

Endolymphatic hydrops

26
Q

Treatment for menieres

A

To prevent attacks -low salt diet

  • thiazide Diuretics
  • betahistine

Abort attacks-

Prochlorperazine
Other vestibular suppressants

27
Q

Ménière’s disease treatment

A
Intratympanic gentamicin
Intratympanic steroids
Endolymphatic sac surgery 
Vestibular neurectomy 
Labyrinthectomy
28
Q

Vestibular migraine features

A

Hearing normal
Duration v variable mins- days
Provoked by migraine triggers
Vestibular suppressants and rehab also needed