Flashcards in ENT Deck (162)
what body system mediates balance?
what system regulates gravity, linear and angular acceleration and regulates muscle tone?
what are the 2 otolith organs?
how many semicircular canals are there?
what is smooth pursuit used for?
tracking moving objects
what is optokinetic nystagmus?
reflex when tracking objects that lie outside the fovea
what is the vestibular-ocular reflex?
stabilised the eye on an object when the head moves
where are the main gravity receptors located?
major blood vessels
what balance disease is characterised by the illusion of movement when there is none?
what is the onset of being paroxysmal positional vertigo?
sudden, last only seconds
does hearing loss accompany BPPV?
what manoeuvre/test might you perform to diagnose BPPV?
what manoeuvre night you perform to treat BPPV?
what eye problem is characterised by involuntary rhythmic oscillation of the eyes?
what is the onset of meniere's disease?
what hearing problem accompanies meniere's?
what is vestibular neuronitis?
vertigo that lasts hours after a URTI
is there any hearing loss or neurological signs with vestibular neuronitis?
what is treatment for vestibular neuronitis?
what is presbystasis and what causes it?
related to ageing
what is saccades?
normal eye jerk between current and new stimuli
what is head shaking nystagmus?
nystagmus following head shaking
why might you test calorics when testing vestibular function?
vestibular-ocular reflex is based on calorics (hot/cold sense)
who is most commonly affected by epistaxis?
what causes 85% of all cases of epistaxis?
give 3 simple local causes of epistaxis
trauma e.g. nose picking
give a tumour cause of epistaxis
nasopharyngeal angiofibroma (benign tumour that bleeds)
give 3 associated symptoms of nasopharyngeal angiofibroma - who does it affect?
affects young males
give 4 pathological systemic causes of epistaxis