Ent Balance Flashcards
Vertigo is.
Illusion of movement
Often but not always rotatory
How does dizziness/vertigo makes patients feel
Sick
Nystagmus
Can’t stand up
Dizzy
Nystagmus is
Periodic rhythmic ocular oscillation
Types Of nystagmus
Pendular- (both directions)
Jerk (fast phase and slow phase)
Nystagmus can be physiological or
Central or vestibular
Key features of vestibular nystagmus
Horizontal
Maximal in direction of gaze
Suppresses with fixation
Only goes in one direction
3 main diagnosis of peripheral vestibular problems
Vestibular
Benign paroxysmal positional vertigo
Ménière’s disease
3 main diagnosis of CNS problems
Migraine Brain stem infarcts Cerebellar infarct Tumours MS
Vestibular neuritis is
Intense episode of vertigo
Vestibular neuritis lasts how long
Single episode can last for days
Vestibular neuritis is often preceded
ByURTI
Vestibular neuritis features
Vertigo,nausea and vomiting unable to get out of bed
Present to A&E
Slow compensation
Vestibular neuritis other names
Vestibular neuronit is , labryrinthitis
Vestibular neuritis diagnosis
History, examination for nystagmus, positive thrust test
The head thrust test physiology
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